地球的大洋有（）
A.太平洋
B.大西洋
C.印度洋
D.北冰洋
参考答案：A, B, C, D
根据括号里所给的汉语写出英语单词。
1. My sister ________(有) a small mouth, but I have a wide one.
2. His _________(脚)are big, but mine are small.
3. Whose pen is this? It's ______(她的).
4. I have a _________(黄色) coat.
5. What color is your _______(衬衣)? It's white.
使用管钳子应注意哪几点？
