根据提示或句意或音标写出所缺单词

1.We often feel          (累) after we read for a long time. We need to have a rest.

2.We shouldn’t eat too many hamburgers.          (水果) is good for us.

3.Young people like singing. They like            (/?p?pjul?/) songs best.

4. Jack likes skating. He is also a very           (someone who can swim ).

5.The phone is too           (having a high price), I don’t have enough money to buy it.  

工作台、主轴箱、平旋盘刀架中能通过手动实现慢进给的有（）个。

A.一

B.两

C.三