Module 5 A Lesson in a Lab
Ⅰ.单词拼写
1．At the news that his favourite star took drugs, he was too ________ (吃惊的) to speak.
2．The air in the balloon ________ (膨胀) when heated.
3．Switch off the ________ (电)before you attempt any repair.
4．The government has an interest in importing scientific ______ (设备)．
5．The house Osama bin Laden once lived in looked ________ (普通的)．
6．The interview will give you a chance to ________ (形成) an impression of the company.
7．The white pollution has upset the ecological ________ (平衡) in the lake.
8．New research shows that an excess of meat and salt can ________ (收缩) muscles.
9．Iron ________ (反应) with water and air to produce rust.
10．When the water ________ (煮沸)，add the rice.
答案：1.astonished 2.expands 3.electricity 4.equipment 5.ordinary 6.form 7.balance 8.contract 9.reacts 10.boils
Ⅱ.单项填空
1．When we use metals, ________ is important to know how they react with different substances, for example, water and oxygen.
A．as B．this
