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【单选题】
EV160快充口,针孔数有几个?
A.
4个
B.
7个
C.
9个
D.
10个
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举一反三
【单选题】Faraday gave ________ most of his money to the poor. When he grew old, he did not have enough money left to live on.
A.
on
B.
away
C.
by
D.
of
【简答题】倾注平皿时,平板计数琼脂应冷却至____°C±____°C
【单选题】—Jack used to give most of his money to people in trouble. How do you like him? —Some thinks he might be kind of _______. But more people are grateful to him.
A.
silly
B.
unhappy
C.
afraid
D.
frustrating
【单选题】He likes reading very much.Most of his money on books.
A.
is spent
B.
spend
C.
spends
D.
are spent
【单选题】关于颞下颌关节内强直的病因下列哪点是错误的()
A.
产钳或经产道损伤可引起
B.
髁突骨折可引起
C.
关节内出血不会引起
D.
邻近组织疾病的继发最多见
E.
放射治疗直接照射关节区也可引起关节强直
【单选题】颞下颌关节内强直的病因,哪一项是错误的
A.
化脓性中耳炎
B.
颞下颌关节紊乱病肌功能紊乱发展而来
C.
颏部对冲性损伤
D.
产伤直接损伤颞下颌关节
E.
血源性化脓性关节炎和类风湿关节炎
【多选题】乙酸乙酯制备实验中,在反应体系中必须加入少量浓硫酸,其作用是( )?
A.
催化作用
B.
吸收反应生成的水
C.
作为反应物
D.
作为氧化剂
【多选题】下面哪些是白族盛大的节日?
A.
三月街
B.
火把节
C.
端午节
D.
清明节
E.
中秋节
【单选题】He left most of his money to his sons; his daughter only received a ______ share of his wealth.
A.
major
B.
many
C.
much
D.
minor
【单选题】三相绕线式异步电动机通常采用()方法来调速。
A.
变极
B.
变转差率
C.
变频
D.
变电枢电压
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