在C公司应付债券业务进行实质性测试前，张华向C公司财务人员获取了下列应付债券明细表，

In our class, when the bell rang and the teacher came in, it was a _____ for every student to stand up. [ ]

A. signal

B. chance

C. sign

D. command

根据句意及首字母提示填空

1. Students in big cjties often take the s __________to school.

2. Do you like travelling by t___________?

3. There are 60 m __________in an hour?

4. My home is about2 k__________from school

5. "B_________" is another way of saying"bike".

因特网上专门提供网上搜索的工具叫（）

A．查找

B．查询

C．搜索引擎

D．查看

       有一首歌唱到“一九七九年那是一个春天”，“一九九二年又是一个春天”，歌中的两个“春天”分别喻指 [ ]

A．改革开放和提出“一国两制”

B．改革开放和邓 * * 视察南方讲话

C．改革开放和海南成为经济特区

D．粉碎“ * * ”和邓 * * 视察南方讲话