内容正文:
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.[来源:学,科,网]
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 i