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简述院内感染主要的感染源
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举一反三
【单选题】When a firm decides to produce more electric cars and fewer gas guzzlers, it is most directly answering the ( ) part of one of the two big economic questions.
A.
"how"
B.
"scarcity"
C.
"what"
D.
"for whom"
【单选题】When electric cars become______, we'll need to build more charging stations. [ ]
A.
available
B.
useless
C.
different
D.
famous
【简答题】施工高度是 与 的差值。
【单选题】Section B Directions: There are 2 passages in this section. Each passage is followed by some questions or unfinished statements. For each of them there are four choices marked A, B, C and D. You shoul...
A.
Electric eels are potentially dangerous.
B.
Biology and electricity appear to be closely related.
C.
People would be at a loss without electricity.
D.
Scientists still have much to discover about electricity.
【单选题】When a firm decides to produce more electric cars and fewer gas guzzlers, it is most directly answering the ________ part of one of the two big economic questions. (当一家公司决定生产更多的电动汽车和更少的汽油机,它最直接地回答了两个...
A.
how怎么样
B.
scarcity缺乏
C.
what什么
D.
for whom对于
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