TOEFL Reading Mock Test

1. Questions 1-9 Carbon tetrachloride is a colorless and inflammable liquid that can be produced by combining carbon disulfide and chlorine. This compound is widely used in industry today because of its effectiveness as a solvent as well as its use in the production of propellants. Despite its widespread use in industry, carbon tetrachloride has been banned for home use. ln (line 5) the past, carbon tetrachloride was a common ingredient in cleaning compounds that were used throughout the home, but it was found to be dangerous: when heated, it changes into a poisonous gas that can cause severe illness and even death if it is inhaled. Because of this dangerous characteristic, the United States revoked permission for the home use of carbon tetrachloride in 1970. The United States has taken similar action with various other chemical compounds. The word "banned" in line 4 is closest in meaning to

Forbidden

Allowed

Suggested

Instituted

The word "banned" in line 4 means that carbon tetrachloride is not allowed or prohibited for home use.

Explanation

The word "banned" in line 4 means that carbon tetrachloride is not allowed or prohibited for home use.

2. Questions 1-9 Carbon tetrachloride is a colorless and inflammable liquid that can be produced by combining carbon disulfide and chlorine. This compound is widely used in industry today because of its effectiveness as a solvent as well as its use in the production of propellants. Despite its widespread use in industry, carbon tetrachloride has been banned for home use. ln (line 5) the past, carbon tetrachloride was a common ingredient in cleaning compounds that were used throughout the home, but it was found to be dangerous: when heated, it changes into a poisonous gas that can cause severe illness and even death if it is inhaled. Because of this dangerous characteristic, the United States revoked permission for the home use of carbon tetrachloride in 1970. The United States has taken similar action with various other chemical compounds. It is stated in the passage that when carbon tetrachloride is heated, it becomes

Harmful

Colorless

A cleaning compound

Inflammable

The passage states that when carbon tetrachloride is heated, it changes into a poisonous gas that can cause severe illness and even death if it is inhaled. This indicates that it becomes harmful when heated.

Explanation

The passage states that when carbon tetrachloride is heated, it changes into a poisonous gas that can cause severe illness and even death if it is inhaled. This indicates that it becomes harmful when heated.

3. Questions 1-9 Carbon tetrachloride is a colorless and inflammable liquid that can be produced by combining carbon disulfide and chlorine. This compound is widely used in industry today because of its effectiveness as a solvent as well as its use in the production of propellants. Despite its widespread use in industry, carbon tetrachloride has been banned for home use. ln (line 5) the past, carbon tetrachloride was a common ingredient in cleaning compounds that were used throughout the home, but it was found to be dangerous: when heated, it changes into a poisonous gas that can cause severe illness and even death if it is inhaled. Because of this dangerous characteristic, the United States revoked permission for the home use of carbon tetrachloride in 1970. The United States has taken similar action with various other chemical compounds. The word "inhaled" in line 7 is closest in meaning to

Warmed

Breathed in

Carelessly used

Blown

The word "inhaled" in line 7 means to breathe in. It refers to the action of taking air or a substance into the lungs through breathing. In the context of the passage, it is explaining how carbon tetrachloride, when heated, changes into a poisonous gas that can cause severe illness and even death if it is breathed in. Therefore, "breathed in" is the closest meaning to "inhaled".

Explanation

The word "inhaled" in line 7 means to breathe in. It refers to the action of taking air or a substance into the lungs through breathing. In the context of the passage, it is explaining how carbon tetrachloride, when heated, changes into a poisonous gas that can cause severe illness and even death if it is breathed in. Therefore, "breathed in" is the closest meaning to "inhaled".

4. Questions 1-9 Carbon tetrachloride is a colorless and inflammable liquid that can be produced by combining carbon disulfide and chlorine. This compound is widely used in industry today because of its effectiveness as a solvent as well as its use in the production of propellants. Despite its widespread use in industry, carbon tetrachloride has been banned for home use. ln (line 5) the past, carbon tetrachloride was a common ingredient in cleaning compounds that were used throughout the home, but it was found to be dangerous: when heated, it changes into a poisonous gas that can cause severe illness and even death if it is inhaled. Because of this dangerous characteristic, the United States revoked permission for the home use of carbon tetrachloride in 1970. The United States has taken similar action with various other chemical compounds. The word "revoked" in line 8 could most easily be replaced by

Gave

Granted

Instituted

Took away

The word "revoked" in line 8 means to take away or cancel. In this context, it refers to the United States taking away or canceling the permission for the home use of carbon tetrachloride. Therefore, the correct answer is "took away."

Explanation

The word "revoked" in line 8 means to take away or cancel. In this context, it refers to the United States taking away or canceling the permission for the home use of carbon tetrachloride. Therefore, the correct answer is "took away."

5. Questions 1-9 Carbon tetrachloride is a colorless and inflammable liquid that can be produced by combining carbon disulfide and chlorine. This compound is widely used in industry today because of its effectiveness as a solvent as well as its use in the production of propellants. Despite its widespread use in industry, carbon tetrachloride has been banned for home use. ln (line 5) the past, carbon tetrachloride was a common ingredient in cleaning compounds that were used throughout the home, but it was found to be dangerous: when heated, it changes into a poisonous gas that can cause severe illness and even death if it is inhaled. Because of this dangerous characteristic, the United States revoked permission for the home use of carbon tetrachloride in 1970. The United States has taken similar action with various other chemical compounds. According to the passage, before 1970 carbon tetrachloride was

Used by itself as a cleaner

Banned in industrial use

Often used as a component of cleaning products

Not allowed in home cleaning products

The passage states that carbon tetrachloride was a common ingredient in cleaning compounds that were used throughout the home before 1970. This means that it was often used as a component of cleaning products.

Explanation

The passage states that carbon tetrachloride was a common ingredient in cleaning compounds that were used throughout the home before 1970. This means that it was often used as a component of cleaning products.

6. Questions 1-9 Carbon tetrachloride is a colorless and inflammable liquid that can be produced by combining carbon disulfide and chlorine. This compound is widely used in industry today because of its effectiveness as a solvent as well as its use in the production of propellants. Despite its widespread use in industry, carbon tetrachloride has been banned for home use. ln (line 5) the past, carbon tetrachloride was a common ingredient in cleaning compounds that were used throughout the home, but it was found to be dangerous: when heated, it changes into a poisonous gas that can cause severe illness and even death if it is inhaled. Because of this dangerous characteristic, the United States revoked permission for the home use of carbon tetrachloride in 1970. The United States has taken similar action with various other chemical compounds. The word "widely" in line 2 could most easily be replaced by

Grandly

Extensively

Largely

Hugely

The word "widely" in line 2 means that carbon tetrachloride is used to a great extent or in a widespread manner in industry. It indicates that the compound is commonly used and has a broad range of applications. The word "extensively" has a similar meaning and can be used interchangeably with "widely" in this context.

Explanation

The word "widely" in line 2 means that carbon tetrachloride is used to a great extent or in a widespread manner in industry. It indicates that the compound is commonly used and has a broad range of applications. The word "extensively" has a similar meaning and can be used interchangeably with "widely" in this context.

7. Questions 1-9 Carbon tetrachloride is a colorless and inflammable liquid that can be produced by combining carbon disulfide and chlorine. This compound is widely used in industry today because of its effectiveness as a solvent as well as its use in the production of propellants. Despite its widespread use in industry, carbon tetrachloride has been banned for home use. ln (line 5) the past, carbon tetrachloride was a common ingredient in cleaning compounds that were used throughout the home, but it was found to be dangerous: when heated, it changes into a poisonous gas that can cause severe illness and even death if it is inhaled. Because of this dangerous characteristic, the United States revoked permission for the home use of carbon tetrachloride in 1970. The United States has taken similar action with various other chemical compounds. The main point of this passage is that

Carbon tetrachloride can be very dangerous when it is heated

The government banned carbon tetrachloride in 1970

Although carbon tetrachloride can legally be used in industry, it is not allowed in home products

Carbon tetrachloride used to be a regular part of cleaning compounds

The passage explains that carbon tetrachloride is widely used in industry due to its effectiveness as a solvent and in the production of propellants. However, it has been banned for home use because it can change into a poisonous gas when heated, causing severe illness and even death if inhaled. Therefore, although carbon tetrachloride is legally allowed in industry, it is not allowed in home products.

Explanation

The passage explains that carbon tetrachloride is widely used in industry due to its effectiveness as a solvent and in the production of propellants. However, it has been banned for home use because it can change into a poisonous gas when heated, causing severe illness and even death if inhaled. Therefore, although carbon tetrachloride is legally allowed in industry, it is not allowed in home products.

8. Questions 1-9 Carbon tetrachloride is a colorless and inflammable liquid that can be produced by combining carbon disulfide and chlorine. This compound is widely used in industry today because of its effectiveness as a solvent as well as its use in the production of propellants. Despite its widespread use in industry, carbon tetrachloride has been banned for home use. ln (line 5) the past, carbon tetrachloride was a common ingredient in cleaning compounds that were used throughout the home, but it was found to be dangerous: when heated, it changes into a poisonous gas that can cause severe illness and even death if it is inhaled. Because of this dangerous characteristic, the United States revoked permission for the home use of carbon tetrachloride in 1970. The United States has taken similar action with various other chemical compounds. It can be inferred from the passage that one role of the U.S. government is to

Regulate product safety

Prohibit any use of carbon tetrachloride

Instruct industry on cleaning methodologies

Ban the use of any chemicals

The passage states that the United States revoked permission for the home use of carbon tetrachloride due to its dangerous characteristics. This suggests that one role of the U.S. government is to regulate product safety, ensuring that potentially harmful substances are not used in ways that could pose a risk to individuals. Therefore, the correct answer is "regulate product safety."

Explanation

The passage states that the United States revoked permission for the home use of carbon tetrachloride due to its dangerous characteristics. This suggests that one role of the U.S. government is to regulate product safety, ensuring that potentially harmful substances are not used in ways that could pose a risk to individuals. Therefore, the correct answer is "regulate product safety."

9. Questions 1-9 Carbon tetrachloride is a colorless and inflammable liquid that can be produced by combining carbon disulfide and chlorine. This compound is widely used in industry today because of its effectiveness as a solvent as well as its use in the production of propellants. Despite its widespread use in industry, carbon tetrachloride has been banned for home use. ln (line 5) the past, carbon tetrachloride was a common ingredient in cleaning compounds that were used throughout the home, but it was found to be dangerous: when heated, it changes into a poisonous gas that can cause severe illness and even death if it is inhaled. Because of this dangerous characteristic, the United States revoked permission for the home use of carbon tetrachloride in 1970. The United States has taken similar action with various other chemical compounds. The paragraph following the passage most likely discusses

Additional uses for carbon tetrachloride

The banning of various chemical compounds by the U.S. government

Further dangerous effects of carbon tetrachloride

The major characteristics of carbon tetrachloride

The paragraph states that carbon tetrachloride has been banned for home use due to its dangerous characteristics. It also mentions that the United States has taken similar action with various other chemical compounds. Therefore, it is likely that the paragraph following the passage will discuss the banning of various chemical compounds by the U.S. government.

Explanation

The paragraph states that carbon tetrachloride has been banned for home use due to its dangerous characteristics. It also mentions that the United States has taken similar action with various other chemical compounds. Therefore, it is likely that the paragraph following the passage will discuss the banning of various chemical compounds by the U.S. government.