皮皮学，免费搜题
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【单选题】
甲型肝炎的传播途经是( )A.
空气传播
B.
食物传播
C.
虫媒传播
D.
接触传播
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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
【简答题】β-内酰胺类抗生素化学结构中具有________是与________作用而产菌作用的靶位,也是________灭活抗生素的靶位。
【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
【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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