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【单选题】
The loss of his ______of hearing didn’t stop him from being a useful member of the society.
A.
faculty
B.
ability
C.
capability
D.
power
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【单选题】Tom likes playing the piano, _____?
A.
doesn’t Tom
B.
does he
C.
doesn’t he
D.
didn’t he
【简答题】听较长对话,回答问题 1.What does Tom play? A. The piano. B. The drums. C. The guitar. 2.Where does Tom play? A. At school. B. In a club. C. In his be droom. 3.When does Tom have breakfast? A. At five o’clock. B...
【单选题】Tom _____ the piano in the room now.
A.
play
B.
plays
C.
playing
D.
is playing
【单选题】改变通入三相异步电动机电源的相序就可以使电动机( )
A.
停速
B.
减速
C.
反转
D.
减压启动
【简答题】设a,b为正实数.现有下列命题: ①若a 2 -b 2 =1,则a-b<1;  ②若 -=1,则a-b<1; ③若| - |=1,则|a-b|<1;④若|a 3 -b 3 |=1,则|a-b|<1. 其中真命题有____.(写出所有真命题的编号)
【单选题】I’ve just seen no more than one copy of “The Piano Teacher” in the bookshop opposite. Tom, go and buy _____ back.
A.
one
B.
any
C.
it
D.
some
【简答题】设 , 为正实数,现有下列命题: 1若 ,则 ;2若 ,则 ; 3若 ,则 ;4若 ,则 . 其中的真命题有____.(写出所有真命题的编号)
【简答题】设a,b为正实数,现有下列命题:①若a 2 -b 2 =1,则a-b<1;②若 ,则a-b<1;③若 ,则|a-b|<1;④若|a 3 -b 3 |=1,则|a-b|<1。其中的真命题有(    )。(写出所有真命题的编号)
【单选题】改变通入三相异步电动机电源的相序就可以使电动机
A.
停速
B.
减速
C.
反转
D.
降压起动
【多选题】关于防盗报警,下列哪些说法是正确的
A.
防盗报警触发后,如果不打开点火开关,警报会一直响
B.
车内监控关闭后,下次使用车辆,必须重新按压车内监控按钮以开启其功能
C.
关闭车内监控后,防盗报警一直不触发
D.
C7车辆上,防盗报警和防拖车监控集成在一个按钮上
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