问题 选择题

古诗词中有许多描述光学现象的诗句,如“潭清疑水浅”和“池水映明月”分别说的是___现象和___现象.(  )

A.折射,折射

B.折射,反射

C.反射,反射

D.反射,折射

答案

(1)“潭清疑水浅”指的是,水比较清澈,水底看起来比较浅,这是由于光的折射形成的,看水底是逆着光的传播方向看的,即逆着折射光线看,由于错觉,我们始终认为光是沿直线传播的,所以看到的位置比实际位置浅;

(2)“池水照明月”就是水面出现月亮的像,属于平面镜成像现象,是光的反射形成的.

故选B.

阅读理解

Passage 2

Colin is a twenty-year-old young man. Two years ago, when he finished middle school, he got a job in a store. Usually he works until ten o’clock in the evening. He is very tired when he gets home. After a quick supper he goes to bed and soon falls asleep. His grandma who lives downstairs is satisfied(满意) with him.

One day, on his way home, he met Nancy. They were both happy. He asked the girl to his house. She agreed happily. He bought some fruit and drinks for her. And they talked about the school life they spent together, their teachers, classmates and their future(未来). They talked for a long time.

“Have a look at your watch, please,” said the girl. “What time is it now?”

“Sorry, something is wrong with my watch,” said Colin. “Where’s yours?”

“I left it at home.”

Colin thought for a moment and found a way. He began to stamp his foot on the floor, “Bang! Bang! Bang!”

The sound woke his grandma up. The old woman shouted downstairs, “It’s twelve o’clock in the night, Colin. Why are you still jumping upstairs?”

小题1:Colin was ______ when he finished middle school.

A.seventeen

B.twenty

C.eighteen

D.twenty-two小题2:The old woman is satisfied with Colin because ______.

A.he buys food for her

B.he’s smart

C.he can keep quiet

D.he gets home on time小题3:From the story, we can know that Nancy was Colin’s ______.

A.classmate

B.co-worker(同事,同仁)

C.aunt

D.cousin小题4:The underlined word “stamp” in the story means ______ in Chinese.

A.集邮

B.站立

C.贴邮票

D.跺脚小题5:Colin stamped his foot on the floor in order ______.

A.to wake his neighbor

B.to make his grandma angry

C.that his grandma would tell him the time

D.that his grandma would buy his a watch

填空题