问题 选择题
关于力,下列说法正确的是(  )

A.一个物体是施力物体,但不是受力物体

B.力有时能脱离物体而独立存在

C.有受力物体就一定有施力物体

D.只有相互接触的物体才能产生作用力

答案

答案:C

阅读理解

阅读短文,选择正确选项。

       In the United States, every year, Thanksgiving Day is on the fourth Thursday of November. Because

Canada is north of the United States, and is colder. The harvest comes earlier in the year. In Canada, people have

Thanksgiving Day on the second Monday in October. 

       The harvest brings a lot of food to the people. On Thanksgiving Day people in Canada and America like to

have a big meal with their friends and family just like Chinese people do at Mid-Autumn Festival. Many

Canadians and Americans put flowers, vegetables and fruits around their homes to say "Thank you" for the

harvest.

       At a Thanksgiving Day dinner, many Canadians and Americans will eat turkey, potatoes, and pumpkins pie.

These are food like the food of many years ago. They are saying "Thank you" for the harvest that comes every

year.

1. Which country has the Thanksgiving Day like the United States? [ ]

A. Japan.

B. China.

C. Canada.

D. Korea.

2. In the United States, Thanksgiving is on the fourth Thursday of            . [ ]

A. January

B. May

C. November

D. December

3. Canada has Thanksgiving earlier in the year because             .[ ]

A. they like flowers

B. the harvest come earlier

C. they have a big meal

D. they want to be different

4. The harvest brings               to people.[ ]

A. flowers

B. turkeys

C. food

D. pumpkins

5. What do people usually say on Thanksgiving Day for the harvest? [ ]

A. Good morning.

B. I'm hungry.

C. Hello.

D. Thank you.

单项选择题