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【单选题】
人体对电流的阻抗随电流频率的上升而A.
上升
B.
下降
C.
变化
D.
无变化
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参考答案：
参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【简答题】His ideas are more complex than they seem.
【简答题】The politician says he will ________ the welfare of the people. A) prey on B) take on C) get at D) see to
【单选题】 The politician says that he will ____ the welfare of the people.
A.
prey on
B.
take on
C.
get at
D.
see to
【单选题】The politician says he will ________ the welfare of the people.
A.
prey on
B.
take on
C.
get at
D.
set to
【单选题】His ideas are invariably condemned as____by his colleagues.
A.
imaginative
B.
ingenious
C.
impractical
D.
theoretical
【单选题】His ideas are invariably condemned as __ by his colleagues.
A.
imaginable
B.
ingenious
C.
impracticable
D.
theoretical
【单选题】The politician says he will the welfare of the people.
A.
prey on
B.
take on
C.
get at
D.
see to
【简答题】β-内酰胺类抗生素化学结构中均具有( )，是与( )综合而产菌作用的靶位，也是( )灭活抗生素的靶位。
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