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Module 5 A Lesson in a Lab
Section Ⅰ Introduction，Reading and Vocabulary
姓名：________ 测试时间：45分钟 本卷总分：50分 自评或老师评分：________
基础训练
Ⅰ.选择方框内的单词，并用其适当形式填空
1．We can use the power of wind to make ________.
2．The ________ has come into wide use in this area and it proves useful.
3．Have you set the________up yet?
4. If ________， liquids can change into gases.
5. The ________ of the experiment is to find the relationship between the content of soluble solid substance and temperature.
6．Are you happy with the________of the experiment？Did you get the________you expected?
7．We use a ________to weigh substances.
8．The force of ________ pulls things towards the earth's center.
9．Metals ________ with heat and contract when cooled.
答案：
1．electricity 2.method 3.apparatus 4.heated
5．aim 6.results，conclusion 7.balance
8．gravity 9.expand
Ⅱ.用所给的短语完成句子
1．She used the tongs ________ the coal ________ the fire.
2. One hundred dollars buys less than it ________.
3. The competition between enterprises is mainly ________ technology .
4. We ________all ________ the Chinese athletes' success during the 31st Olympic Games held in Brazil.
5．Iron________________water and air to produce rust.
6．There are some underwater plants__________________________________________ the tube.
7．You________________________clean the blackboard and the classroom today.
8．________the dog________________ the room.Don't let it in.
答案：
1．to add；to 2.used to 3.in the area of
4. are；proud of 5.reacts with 6.at the bottom of
7．are supposed to 8.Keep；out of
语篇提能
阅读理解
A
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We're surrounded by chemistry in everyday life. Sometimes it is easy to see, like when your science teacher does a big experiment in class. At other times, it can be pretty hard to see everyday chemistry at work，but nearly everything you touch or use has some element of chemistry in it.Something as simple as toothpaste contains at least three chemicals, if not more. It is the mixture of them and its chemical reaction that keeps your teeth clean. Other things you use every day are created by chemistry，such as hair products, shampoo and soap. Adding detergent(洗涤剂) to water involves chemistry. Without chemistry, we would never have known that we need soap to get the oil out of clothes or skin.
Chemistry not only helps us make products for use, but also helps us understand the world around us. Chemistry helps us understand what the ozone layer(臭氧层)is and how it protects us. Chemistry also gives us sunscreen to protect us from the sun. Thanks to chemistry, we know bleach (漂白剂) can't be mixed with vinegar, because it can produce poisonous gas. Without chemistry, we wouldn't have fireworks displays on important days.
Chemistry plays a big role in food preparation. Cooking food causes it to go through a chemical change. That is why cooked food often tastes different from raw food. Baking is a great example of chemistry. Too much or too little of any ingredient makes a difference to the result of baking, for example, the dough(面团) won't rise or the cake will be flat.
Chemistry isn't something that just lives in a lab; it's something that you meet hundreds of times every day. Knowing how chemistry works will give you a greater understanding of the science behind some of the simplest－looking things.
1．What's the main idea of Paragraph 1?
A．Chemistry is easy to see around us.
B．Sometimes chemistry is hard to see around us.
C．How a science teacher does a big experiment.
D．Few things in everyday life contain chemistry.
2．The following actions are about chemistry EXCEPT ________.
A．cleaning teeth with toothpaste
B．washing hair with hair products
C．using soap to get the oil out of clothes
D．washing your face with water
3．Which one is TRUE according to Paragraph 4?
A．One can't find chemistry when cooking food.
B．Chemistry plays an important part in food making.
C．That the dough rises is nothing to do with chemistry.
D．A flat cake is the result of too many ingredients.
4．Which of the following would be the best title for the text?
A．Chemistry Around the House
B．Chemistry in Science
C．Chemistry for Dinner
D．Chemistry in Everyday Life
答案：
化学课上的实验让我们清楚地看到了化学过程，但是在日常生活中也随处可见化学。
1．解析：细节理解题。根据第一段末句可知，本段主要强调“日常生活中看不见的化学”。故B项正确。
答案：B
2．解析：推理判断题。根据第二段可知，tooth paste, hair products, soap都是化学产品，故A、B、C三项均为化学过程。D项“用水洗脸”并非化学过程。
答案：D
3．解析：细节理解题。根据第四段首句可知，B项正确。由本段第一、二句可排除A项。由本段末句排除C、D项。
答案：B
4．解析：
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标题归纳题。本文从家居中的化学、科学中的化学、厨房中的化学三个方面讲述了化学在日常生活中的应用，故D项正确。
答案：D
B
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A．college students
B．teachers
C．parents
D．children and teens
6．If Mary，aged 12, wants to learn how to behave well, which of the following will she choose?
A．21st Century Princess Program.
B．Digital Kids world Summer Camp.
C．Barrow Institute Summer Camp.
D．Kids Advanced College Program.
7．Which of the following can offer you information about animals and animal medicine?
A．(602)716—2028.
B．www.digitalkidsworld.com.
C．(602)273—1341.
D．www.pvc.maricopca.edu.
8．According to the passage, we know that ________.
A．all these activities are held in the same city
B．21st Century Princess Program lasts the longest
C．the price of Camp Zoo is the highest per week
D．Kids Advanced College Program is popular with plant lovers
答案：
5．解析：事实判断题。根据五个广告的参加者的年龄可知答案。
答案：D
6．解析：细节理解题。根据第一个广告中出现good manners and the importance of inner beauty可知答案。
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答案：A
7．解析：推理判断题。第五个广告的电话号码可知答案。
答案：C
8．解析：事实判断题。根据这些活动都在Phoenix可知答案。
答案：A
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