7．下列选项中的对应关系不完全正确的是　 　　　　　　　　　　　　　　　　(　　 )

　 A．研究实例与其采用的主要科学研究方法

　　 学习汽化现象时，研究蒸发和沸腾的异同点----比较法

　　 研究物质的微观世界时引入原子结构模型--建模法

　　 探究摩擦力的大小跟哪些因素有关的实验--控制变量法

　 B．科学家与其贡献

　　 法拉第--电磁感应

　　 奥斯特--电流的磁效应

　　 托里拆利--大气压的测定

　 C．工作原理相同的设备或工具

　　 体温计--寒暑表

　　 茶壶--船闸

　　 钓鱼杆--竹筷

　 D．能量转化与常见实例

　　 核能转化为内能--核电站发电

　　 光能转化为内能--太阳能热水器

　　 电能转化为机械能--发电机

6．让我们想象一下，如果教室里的摩擦力突然消失，下列现象不可能出现的是　 (　　 )

　 A．老师无法用粉笔在黑板上写字

　 B．写字时圆珠笔从手中滑出漂浮在空中

　 C．同学们稍微活动就会从椅子上纷纷滑到地面上

　 D．固定吊灯的螺丝从天花板上滑出，使吊灯落到地上

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5．下面说法正确的是　　 　　　　　　　　　　　　　　　　　　　　　　　　　(　　 )

　 A．人离平面镜越近，所成的像越大

　 B．凸透镜作放大镜使用时，物距一定要在1倍焦距到2倍焦距之间

　 C．从水面上看水中的鱼，看到的是鱼的虚像

　 D．小孔成像和凸透镜成像均是光沿直线传播而形成的

4．雷州半岛常年干旱少雨，严重影响了我市的工农业生产．今年2月21日我市在廉江高桥镇发射了6枚火箭，利用火箭把催化剂播撒到云中实现了人工降雨．催化剂使空气中的水蒸气变成小冰粒，冰粒在下降过程中变成了雨滴．水蒸气变成冰粒，冰粒变成雨滴的物态变化过程分别属于　　 　　　　　　(　　 )

　 A．凝华、熔化　　 B．升华、熔化　　 C．凝华、液化　　 D．升华、液化

3．在图1所示的电路中，当开关闭合后，在金属夹A、B之间分别接入硬币、铅笔芯、橡皮和塑料尺，小灯泡都能发光的是　 (　　 )

　 A．接入硬币和塑料尺　　 B．接入铅笔芯和橡皮

　 c．接入橡皮和塑料尺　　 D．接入硬币和铅笔芯

2．小明与妈妈去商店买新碗时，看到妈妈将新碗拎起后轻轻敲击它，根据敲击声来判断碗是否有裂缝．这是根据声音的哪个特征来进行判断的　　 　　　　　　　　(　　 )

　 A．音调　　 　　B．音色　　 　　C．响度　　　 D．噪声

　　 只有一个是正确的，把正确答案前面的字母填在括号内)

1．最近，小明的父亲买了一部CDMA手机，有关资料介绍这种手机的辐射很小．据你所知，手机的辐射其实是一种　　 (　　 )

　 A．超声波　　 B．红外线　　 C．电磁波　　 D．核辐射

听短文A、B两篇，各听两遍，根据短文内容及问题，从A、B、C三个选项中选出正确的答案，并把答题卡上对应题目的正确答案标号涂黑。

A

Most people always like to collect things. For example, they like collecting(收集)stamps, books, pictures…. But my friend Mr Clock likes collecting clocks. He has five hundred clocks now.

There are clocks everywhere in his house. You can see shelves standing in every room. All the shelves are full of clocks.

Though Mr Clock is glad to do this, his wife doesn’t enjoy it at all. She has a lot of work to do every day. It is not easy for her to clean hundreds of clocks. She was also angry at the noise. Each clock keeps its own time, so she can hear clocks strike(敲、击)almost any time during the day and night. She says, “There is something even worse. I am never able to know what time it is with so many clocks around.”

B

Tom sat in the doctor’s waiting room. On the chairs round the wall other patients were sitting. Some had coughs, some had colds, some had headaches. They all looked sad, except Tom who was reading an interesting story in a newspaper. Just then the doctor came in to say he was ready to see the next person. Tom got up and went into the doctor’s room.

Before Tom could say a word, the doctor said, “Now what’s your trouble? Lie down there and I will have a look at you. I’ll listen to your heart.” Tom tried to speak but the doctor stopped him and asked him to say “Ninety-nine”. Tom said it. “Now let me see your mouth,” said the doctor. “Open your mouth wide.” The doctor had a good look, and then he said, “Well, young man, you are not ill at all. There’s nothing wrong with you.” “I know there’s not,” said Tom. “I just came to get a bottle of medicine for my uncle.”

Questions:

19. What’s wrong with the people in the doctor’s waiting room?

20. What was Tom doing?

21. Tom didn’t have time to say a word when the doctor looked him over, did he?

22. Who was asked to lie down on a bed?

23. What can we learn from the story?

听一遍，根据你所听到的对话，从A、B、C三个选项中选出正确的答案，并把答题卡上对应题目的正确答案标号涂黑。

7. W: I hope you can come to my birthday party earlier tomorrow evening?

　 M: But I really want to watch the world-cup football match first. It will begin at seven. It will last over two hours.

　 W: It doesn’t matter. The party won’t start until it finishes.

　 Q: When will the birthday party begin?

8. W: Look! I’ve bought a new watch. Isn’t it nice?

　 M: Yes, it is. How much is your watch, Han Mei?

　 W: It’s fifty yuan. I think it’s cheap.

　 M: No, yours is expensive. My friend, John bought one like yours yesterday.

It’s fifteen yuan cheaper than yours.

　　　 Q: How much is John’s watch?

9. M: What are you going to do tomorrow?

　 W: Nothing much! Why?

　 M: Let’s go to the park. There’s a fashion show.

W: When shall we start for the park?

　 M: What about seven twenty?

　 W: No. Let’s make it twenty minutes later because I want a good sleep, I’m too tired this week.

　 M: That’s OK.

　 Q: What time will they start for the park?

10. M: What’s wrong with you, Wei Hua?

　 W: I’ve been ill, Doctor.

　 M: How long have you been like this?

　 W: Since two days ago.

　 M: It doesn’t matter. Take this medicine every day and stay in bed for three days and you will be fine soon.

　 W: Thank you. I’ll do it as you said.

　 Q: How long has Wei Hua been ill?

11. M: Did you call your parents?

　 W: Yes. It cost me 18 yuan.

　 M: Oh, it’s too dear.

　 W: Yes. I spend 12 yuan on the first three minutes, then 120 fen more on each minute.

　 Q: How long did the woman call her parents?

12. M: You must have a rest, Xiao Hua. You really have been working too hard these days.

　 W: But how can I? The exam is coming next Monday.

　 M: Oh, don’t worry. Couldn’t you rest just this afternoon?

　 W: All right, if you really think so.

　 Q: What does the woman mean by the last sentence?

13. M: What will the weather be like the day after tomorrow?

　 W: The weatherman says it’s going to rain.

　 M: What a pity it is!

　 W: Are you going to do something in the open air?

　 M: Yes, we’re going on a picnic, but we have to stay at home if it rains.

　 W: You know the weatherman makes mistakes sometimes.

　 M: I hope he has made a mistake again this time.

　 W: Or all of you will be unhappy.

　 M: That’s right.

　 Q: What will make the man unhappy?

听一遍，从A、B、C三个选项中选出与你所听到的句子意思相同或相近的句子，并把答题卡上对应题目的正确答案标号涂黑。

1. Today there’s no better way to travel than by plane.

2. He is a stranger here. He hardly has any friends.

3. He worked very hard, but he failed the maths exam.

4. It was not as far to the city as we thought.

5. All of us don’t like staying with Mr Smith.

6. The children have never seen so much snow before.