2000 years ago a country cut down its trees toA．build houses.B．make furniture.C．build wars

It is implied in the passage that the villager

A．needs a plentiful supply of trees.

B．wants fire wood.

C．wants to sell wood to the townsman to get money.

D．is not aware of the importance of environmental protection.

What is the most important function of trees?

A．Providing fuel.

B．Offering shade.

C．Preventing natural disasters.

D．Providing charcoal.

What is the relationship between chemicals and Americas agricultural prosperity?

A．They did not affect it.

B．They helped to create it.

C．They slowed it down.

D．They almost destroyed it.

When were the chemicals first used in America?

A．Before the American Revolution.

B．Over thirty years ago.

C．Over two hundred years ago.

D．Before the discovery of potassium nitrate.

According to the passage, why are the chemicalsused in agriculture safe?

A．They have never been proven harmful before.

B．They produce larger crops.

C．They have a long history.

D．They are subject to high standards.

Why did Jim decide to become a do-it-yourselfer?

A．His car repairs cost too much.

B．The car repair class was not helpful.

C．He could not possibly do two jobs.

D．He had to raise the children all by himself.

What does Jim have to do at home?

A．Making shoes in his home.

B．Doing extra work at night.

C．Doing his own car and home repairs.

D．Keeping house and looking after his children.

What did John and his wife learn in theevening classes?

A．Running a DIY shop.

B．Making or repairing things.

C．Saving time and money.

D．Improving the quality of life.

Where will the woman probably go after talking to the man?

A．Go running.

B．Go and get her library card.

C．Go to class.

D．Go and get some books.

How will the library handle cases when a student cant receive a recall notice?

A．Make a call to the student.

B．Give the student a fine.

C．Send the student a mail.

D．Inform. the student"s teacher.