[题目]溶液在日常生活.工农业生产和科学研究中具有广泛的用途．下列常见的医用溶液中.溶剂不是水的是( )A．葡萄糖注射液B．生理盐水C．消毒酒精D．碘酒题目和参考答案——青夏教育精英家教网—

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【题目】溶液在日常生活、工农业生产和科学研究中具有广泛的用途．下列常见的医用溶液中，溶剂不是水的是（）

A．葡萄糖注射液

B．生理盐水

C．消毒酒精

D．碘酒

【答案】D

【解析】葡萄糖注射液中溶质是葡萄糖，溶剂是蒸馏水；生理盐水中溶质是氯化钠，溶剂是蒸馏水；消毒酒精中溶质是酒精，溶剂是蒸馏水；碘酒中溶质为固体碘，溶剂为酒精．

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【题目】B

Winter Sale!

Winter is coming. So we are having a big and endofautumn sale. Look at the prices!

A blouse：$5

A coat：$20

A silk(丝绸) skirt：$28

A pair of trainers：$30

A pair of jeans：$30

Will you come to Reborn Fashion Shop on the 2nd floor of New Century Shopping Mall between Friday and Sunday?

Cash Back!

Spend twenty dollars in our shop, and we will give you five dollars back. Spend 40 dollars, and you will get 10 dollars back.

Remember：only at weekends

You are welcome to Happy Times Doll Shop on the first floor of New Century Shopping Mall.

Closing Down Sale!

Come to our shop next Monday. There is a discount(打折) on every kind of chocolate. And we will give you a big box of sweets for free(免费的) if you spend more than 20 dollars in our shop. So come to Sweetheart Chocolate Shop on the first floor of New Century Shopping Mall.

【1】 How many shops are there in this advertisement(广告)?

A. Six. B. Four. C. Three. D. Two.

【2】 What is the price of a silk skirt in Reborn Fashion Shop?

A. $ 5. B. $ 20. C. $ 28. D. $ 30.

【3】If(如果) you spend 20 dollars in Happy Times Doll Shop, how much will you get back?

A. 5 dollars. B. 15 dollars.

C. 20 dollars. D. 40 dollars.

【4】If you want to buy clothes at a lower price, where should you go?

A. Happy Times Doll Shop.

B. Reborn Fashion Shop.

C. Sweetheart Chocolate Shop.

D. The first floor of New Century Shopping Mall.

【5】What does the underlined word mean in Chinese?

A. 商品 B. 发票 C. 赠品 D. 现金

【题目】书面表达(15分)

你每天的家庭作业都是什么时间完成的？需要父母的帮忙吗？请你结合上面文章的内容，写一篇短文。内容包括：

1. 每天大概花多少时间做作业？

2. 能不能自觉独立地完成自己的作业？

3. 你怎样看待家庭作业？

要求：

1. 不能照抄原文；不得在作文中出现学校的真实名称和学生的真实姓名。

2. 语句连贯，词数在80个左右。作文的开头和结尾已经给出，不计入总词数。

I often spend nearly two hours to do my homework every day. ______________________________________

____________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________

If so, we will feel tired and don’t want to do it carefully.

【题目】下列溶液中，溶质是液体的是（）

A.医用葡萄糖溶液 B.20%的氢氧化钠溶液

C.75%的消毒酒精 D.0.9%的生理盐水

【题目】 Miss Fang is __________ English teacher. __________ is a good teacher.

A. our; Her B. my; He

C. mine; She D. my; She

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A. Thanksgiving Day B. Halloween

C. Easter D. Mid-Autumn Festival

【题目】很多化学反应都在溶液中进行的原因是（）

A、易于操作 B、反应速率快 C、不需加热 D、设备简单

【题目】根据句意，用所给单词的适当形式填空。

【1】My father goes to school for the _______ (parent) meeting this afternoon.

【2】I'm not good at Maths. It is _______ (real) hard.

【3】We have lessons at 8:00 _______ (clock) every day.

【4】I listen to music every day. It makes me _______ (feel) excited.

【5】The _______ (hall) on the ground floor look very bright and clean.

【题目】t℃时某物质的溶解度100g，该温度下，此物质的饱和溶液中下列质量关系正确的是（）

A、溶质：溶液=1：1 B、溶质：溶剂=1：1

C、溶剂：溶液=1：1 D、饱和溶液的质量一定为200g

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