鹿茸的功效有
A.补肾阳
B.益精血
C.强筋骨
D.调冲任
E.托疮毒
参考答案:A,B,C,D,E
国家对实施首检的起重机械制定了目录,下列起重机械中实施首检的起重机械是()。
A.桥式起重机
B.塔式起重机
C.履带起重机
D.桅杆起重机
根据句意和首字母提示补全下列各句中的单词。
1. He is very o______, because he likes talking and laughing.
2. My father u______ to be a teacher, but now he is a writer.
3. He has c______ a lot. Because he is different from the past.
4. I am not afraid of the d______. I dare to go out.
5. I often send and receive e______ on the Internet.