现代板式零部件钻孔的类型有（）
A圆榫孔
B连接件孔
C导引孔
D铰链孔
参考答案：A, B, C, D
根据句意写出下列句子中各月的名称。
1. The New Year's Day is the first day in__________.
2. We often have along holiday in F__________ for the Spring Festival
3 .—Does Women's Day come in__________?
—Yes, it does.
4. I like to go out for a picnic in A__________ or M__________ in spring.
5.When is Children's Day? It's on__________ 1st.
