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 when heated in water．

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．

试题答案

答案：

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