精确制导武器是指直接命中概率超过()的制导武器。
A、90%
B、50%
C、80%
D、70%
参考答案:B
根据句意及所给提示,补全单词或用单词、固定短语、固定搭配的正确形式填空。
1. We have realized the i______ of learning English.
2. He tried to stop smoking and he______ (success) .
3. We all think he is an ______ (诚实的) boy because he never tells lies
4. The band played many songs, ______ (包括) some of my favorites.
5. The book written by him______ (出版)last month.
砂轮机转轴左、右螺纹为()。
A.左端右旋,右端左旋
B.左端左旋,右端右旋
C.同为左旋
D.同为右旋