题目内容
根据句意及各题括号中所给的汉语意思,从下面的方框中选择合适的单词或词组,用其适当形式填空。
1.Any object ________(膨胀)when heated in water.
2.________(往……加入)some more salt ________ the soup.
3.Chemical changes can produce new ________(物质).
4.Water can ________(溶解)salt.
5.She ________(应该)do the chemistry experiment carefully.
6.Dangers will happen if there is no proper ________(设备)in the experiment.
7.Man must keep the ________(平衡)of nature.
8.What ________(结论)can you get from the result of the experiment?
9.We all felt ________(吃惊的)on hearing she was injured in an experiment.
10.Putting an acid and a metal together causes a ________(反应).
11.The film was only a ________(部分的)success.
12.The ________(设施)for teaching in our school are pretty good.
13.Wood ________(漂浮)on the water.
14.Metals ________(缩小)as they get cooler.
解析:
1.expands 2.Add to 3.substances 4.dissolve 5.is supposed to 6.equipment 7.balance 8.conclusion 9.astonished 10.reaction 11.partial 12.facilities 13.floats 14.contract