《中华人民共和国水法》正式施行日期为( )。
A.1988年1月21日B.1988年6月21日C.1988年7月1日D.1988年10月1日
参考答案:C
选择正确的选项来代替划线部分的单词或词组。
1. At last, we went to Maria's home and talked about the movie until midnight. [ ]
A. Finely
B. Finally
C. At the end of
2. I'm glad that you can come to the party. [ ]
A. nice
B. pleased
C. pleasure
3. The box is too heavy, because it is filled with books. [ ]
A. full
B. full of
C. fill out
4. My bike is broken. I have to repair it immediately. [ ]
A. for a while
B. after a moment
C. at once
5. A formal western dinner always starts with a small dish and ends with desserts. [ ]
A. begins with
B. begin with
C. begins
光缆的种类:(),(),(),(),(),()和()。