Ⅰ.Complete the sentence according to the Chinese given in the parentheses.
（根据括号内所给的中文完成句子。）
1.The soup is a little fresh,so you’d better________(加点盐).
2.Madam Curie made a great contribution________(在科学领域).
3.Iron does not rust________(在没有空气的水里).
4.________(他有什么反应) the experiment al equipment you offered?
5.He is an excellent chemistry teacher,so________ (能成为他的学生我很骄傲).
