问题
单项选择题
依靠电磁力将锁舌推出，使其插入配套锁片中达到闭锁的目的的是（）。
A.磁力锁
B.阳极锁
C.阴极锁
D.电控锁
答案
参考答案：B
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依靠电磁力将锁舌推出，使其插入配套锁片中达到闭锁的目的的是（）。
A.磁力锁
B.阳极锁
C.阴极锁
D.电控锁
参考答案：B
| 从方框内选择适当的单词，并用其适当形式完成句子，其中有两个是多余的。 | |
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| My grandfather is seventy years old, 1._____ he is very healthy(健康的). He is tall and of medium 2. _____. He has short, straight white 3._____. He likes reading. Every morning he 4._____ up very early and then reads morning 5._____When he reads, he always wears 6._____ .He also likes 7._____chess. He always plays chess with his 8._____friends. He 9._____ plays chess with me. Why? Because I 10._____ play chess. |