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【题目】将下列少量物质分别放入水中,充分搅拌,可以得到无色溶液的是

A.汽油

B.面粉

C.氯化钠

D.高锰酸钾

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【题目】下列洗涤或除污过程应用乳化原理的是(

A.用汽油除去衣服上的油污

B.用酒精除去衣服上的碘

C.用洗洁精洗去餐具上的油脂

D.用刷子刷除杯子上的污垢

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【题目】将下列四种物质白醋、食用油、食盐、酒精分别放入水中,能形成乳浊液的是(

A.白醋 B.食用油 C.食盐 D.酒精

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【题目】生活中常见的下列物质,不属于乳浊液的是(

A.牛奶 B.豆浆 C.汽水 D.花生油

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【题目】学习溶液的知识后,可以帮助我们正确认识溶液的组成及物质的溶解过程,下表是几位同学对溶液的错误认识,请你用熟悉的实例来否定其观点.

序号

错误观点

否定实例

(1)

溶液一定是无色的

(2)

均一、稳定的液体一定是溶液

(3)

溶液中的溶剂一定是水

(4)

一种溶剂最多溶解一种溶质

(5)

两种液体混合后充分振荡,一定得到溶液

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【题目】补全对话(5小题,每小题2分,共10分)

读下面的短文,在空白处填上合适的单词或句子,使短文意思通顺合理、结构完整。

W: Good morning. Can I help you?

M: 1. ___________ I want to buy a T-shirt for my son.

W: Oh, 2. ___________

M: Black.

W: 3. ___________

M: It looks very nice.

W: The T-shirts are on sale now.

M: 4. ___________

W: $20.

M: OK, I’ll take it.

W: Here you are.

M: 5. ___________

W: You are welcome.

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【题目】完形填空(10小题,每小题1分,共10分)

Tom ___1___ near the sea. Their house is not very high, but it is beautiful. There ___2___ big trees and a small garden in front ___3___ their house. They plant flowers in the garden. Some are red, some are white ___4___ some are blue. Tom and his family love ___5___ garden very much.

___6___ Tom and his sister go to school ___7___ bus. The bus is comfortable. There are air conditioners in the bus. And it is a double-decker bus. After school, they sometimes help their mum __8___ some shopping at the Shopping Center, and sometimes help their dad in the garden. At weekends, they often take some photos by the sea. ___9___ summer, they often go swimming __10__ their parents.

【1】A. lives B. lived C. living D. to live

【2】A. are B. is C. was D. be

【3】A. to B. for C. at D. of

【4】A. but B. or C. at D. and

【5】A. they B. them C. their D. theirs

【6】A. All B. Both C. Some D. Two

【7】A. on B. by C. take D. sit

【8】A. do B. doing C. does D. did

【9】A. In B. On C. At D. To

【10】A. and B. for C. of D. with

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【题目】D

Simon is a student in a middle school. He is very strong. He goes to No.6 Middle School on a bus. He’s good at English. But he’s often late for his English classes. His father is a doctor. He’s big and tall. He works in a big hospital. His mother is a nurse. She’s slim and pretty. They are in the same hospital. They all work hard. He loves his father and mother very much. His father and mother both go to work by bike. We can see bikes here and there. And China is a country of bikes.

【1】What is Simon?

A. He is very strong. B. He is a student.

C. He is a son. D. He is a doctor.

【2】How does Simon go to school?

A. By bike.

B. His father takes him to school every day.

C. On foot.

D. By bus.

【3】 What does Simon’s father look like?

A. He’s big. B. He works in a big hospital.

C. He’s tall. D. A and C.

【4】 Why do we say China is a country of bikes?

A. Because we all go to school by bike.

B. Because everyone in China likes bikes.

C. Because bikes can make us strong.

D. Because there are many bikes in China, we can see bikes here and there.

【5】Where does Simon’s parents work?

A. They work in the same hospital.

B. His father works in a big hospital, but his mother doesn’t.

C. His mother works in a big hospital, but his father doesn’t.

D. They both go to span>work by bike.

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【题目】A

Hi, I’m Tina. This is a photo of Class 18. This class has twenty-five students, twelve girls and thirteen boys. These are Amy and Bob. Amy is Bob’s sister. Amy is 12 and Bob is 13. Amy likes English and math. Bob likes music. He has a CD collection. This is Bruce. He is 14. He likes sports and he has a sports collection. Jerry is a teacher. He is thirty-four years old. He likes blue, black and green. Many of his clothes are in these colors. Do you know the relationship between Jerry and Bruce? Aha! Jerry is Bruce’s uncle. And you can call him at 0543-3617625.

【1】__________ girls are in Class 18.

A. 12 B. 13 C. 24 D. 25

【2】 Bruce likes __________.

A. sports B. English C. music D. white

【3】The word relationship means __________.

A. 关系 B. 性别 C. 爱好 D. 差异

【4】__________ and Bob are in a family.

A. Jerry B. Amy C. Bruce D. Tina

【5】Jerry’s __________ is 0543-3617625.

A. card number B. telephone number

C. bus number D. school card number

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【题目】C

People eat different things in different parts of the world.

In some countries, people eat rice every day. Sometimes they eat it two or three times a day for breakfast, lunch and supper. They eat rice with meat, fish and vegetables. Some people do not eat some kinds of meat. Muslims(穆斯林), for example, do not eat pork. Japanese eat lots of fish. They are near the sea. So it is easy for them to get fish.

In Western countries such as Britain, Australia and the USA, the most important food is bread and potatoes. People there can cook potatoes in many different ways.

Some people eat only fruit and vegetables. They do not eat meat or fish or anything from animals. They eat only food from plants(植物). Some people say that food from plants is better than meat. These people are called vegetarians.

【1】 What does the underlined word vegetarians mean in Chinese?

A. 肉食主义者 B. 生食主义者

C. 果食主义者 D. 素食主义者

【2】__________ do not eat pork.

A. Chinese B. Japanese

C. Muslims D. Americans

【3】 Why do Japanese eat lots of fish?

A. Because they like fish better than the other food.

B. Because it is easy for them to get fish.

C. Because fish can give them lots of calories.

D. Because they think eating fish can make them clever.

【4】 What is the most important food in Australia?

A. Fish. B. Bread. C. Vegetables. D. Fruit.

【5】Which one of the following sentences is true?

A. People in different countries eat different food.

B. If you only eat food from animals, you are a vegetarian.

C. Food from animals is better than food from plants.

D. People in some Western countries can only cook potatoes in one way.

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