试题与答案

小兰站在竖直放置的平面镜前1m处,她在镜中的像到镜面的距离是_____m。

题型:填空题

题目:

小兰站在竖直放置的平面镜前1m处,她在镜中的像到镜面的距离是_____m。

答案:

1

分析:物体在平面镜成虚像,物像到平面镜的距离是相等的.

解答:解:平面镜成像时,物像到平面镜的距离相等,小丽到平面镜的距离是1m,小丽的像到平面镜的距离也是1m.

故答案为:1.

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题型:阅读理解

阅读理解。

     It was the perfect weather for leaf watching, and my housemate Julie and I meant to spend the weekend

with our friends in the north Georgia mountains. "Don't you want to come along?" Julie asked her 15-year-old

son, Mark. "Enjoy the leaves by yourselves," he told her. "I'll be fine staying home by myself." Julie and I drove

there in my car after work on Friday. On Saturday morning we hiked along the mountainside and enjoyed the

beautiful colors. All of a sudden, I had a terrible feeling. "Go home," a voice seemed to urge me. I couldn't

explain it, but I didn't want to be here any more. I just wanted to go home. "Carol, calm down. You're being

silly," Julie said. But the urge just got stronger. "I've got to leave," I said. "If you want to stay, you can get a

ride back with everyone else tomorrow." Julie stood up. "No, I'll go with you," she said. We almost didn't talk

during the two-hour trip back. I felt very guilty. Finally, we pulled in. The lights were on in the house, but

something was strange. The windows seemed to be fogged up. Julie opened the door and smoke poured out.

"Mark!" she shouted. "Mark!" We rushed inside and found him asleep on the sofa. Shaking him awake, Julie

grabbed him. I grabbed the source of the smoke -a pillow too close to the fireplace. I then took it outside and

threw water on it. Mark had built a fire to keep warm, and some embers (灰烬) had flown out. The whole

house could have gone up if we hadn't gotten there just then!

1. What do we know from the text? [ ]

A. Leaf watching was Mark's hobby.

B. Mark stayed home with his friends.

C. Carol went to work on Friday.

D. Mark was Carol's cousin.

2. The underlined phrase "pulled in" in the last paragraph probably means "_____". [ ]

A. started the car

B. arrived home and stopped the car

C. moved away from the station

D. came home late

3. While driving home Carol _____. [ ]

A. was very terrified

B. drove at a great speed

C. knew she had made a mistake

D. hardly said anything

4. Why did Carol want to go home? [ ]

A. She didn't enjoy the leaves.

B. She received her son's telephone call.

C. She felt something urged her to go home.

D. She followed Julie's advice.

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