杭州湾占长三角比重最多是哪个产业（）
A．第一产业
B．第二产业
C．第三产业
D．一样多
参考答案：A
根据句意和首字母提示填词。
1. There are sixty m________ in an hour.
2. Today we rarely (很少) see s________ pouring from chimney.
3. Women commit (犯) far fewer c_________ than men.
4. All of us should put r_________ into dustbin (垃圾箱) to protect the environment.
5. It is very impolite for you to fail to keep an a_________.
铁水比重为（）克/厘米3。
