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【多选题】
以下属于不良蹲姿的有
A.
下蹲时弯腰翘臀
B.
下蹲时两腿叉开
C.
下蹲时内衣外露
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参考答案:
举一反三
【单选题】Mr. Smith was very disappointed to see the car he had had _____ went wrong again.
A.
to be repaired
B.
repaired
C.
it repaired
D.
it
【单选题】Mr. Smith thought of himself as _______,and this accident had ________ effect on his life.
A.
a failure; a
B.
failure; an
C.
a failure; an
D.
failure; the
【单选题】His health failing, ______ last year.
A.
so the school gave Mr. Smith leave
B.
the school had given Mr. Smith leave
C.
so Mr. Smith went on leave from work
D.
Mr. Smith went on leave from work
【单选题】Mr. and Mrs. Smith ______ in the past.
A.
had often stayed in a big hotel in London
B.
had traveled to many places
C.
often stayed in a small inn
【判断题】低压开关的灭弧常采用在断口上装灭弧栅。
A.
正确
B.
错误
【单选题】Tom had something to tell his manager, Mr. Smith, so he went to Mr. Smith’s place, entering the room and said,
A.
“ You ’ re not busy, I hope. ”
B.
“ Got a minute? ”
C.
“ Can I have a word with you, Mr. Smith? ”
【简答题】Mr. Smith worked in a big computer company. He had no wife, and of course, had no child, 41 . He lived in an old house 42 . He liked nothing but drinking. He almost spent all of his money 43 drinks. O...
【判断题】下面势能曲线中, a 、 b 两点均为系统的稳定平衡点
A.
正确
B.
错误
【单选题】Mr. Smith ______ that he had made a mistake and that he had corrected it.A.acceptedB.admittedC.ta
A.
4. Mr. Smith ______ that he had made a mistake and that he had corrected it. A.accepted
B.
admitted
C.
talked
D.
Promised
【单选题】无毒的白喉棒状杆菌获得产生白喉毒素的能力是因为
A.
带有Col因子
B.
带有R因子
C.
带有F因子
D.
感染毒性噬菌体
E.
感染β-棒状噬菌体
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