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【单选题】
由于瓦斯具有( )的特性,所以可将瓦斯作为民用燃料。
A.
可燃烧
B.
无毒
C.
无色、无味
D.
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参考答案:
举一反三
【判断题】每种纯液态有机化合物在一定的压力下均有固定的沸点。()
A.
正确
B.
错误
【单选题】在动态测试中,电桥的输出量通常采用()。
A.
电阻量
B.
电流量
C.
电压量
D.
电感量
【单选题】Not all the farmers agree to __________ the importation of raw fruits and vegetables.
A.
ascribe
B.
inscribe
C.
transcribe
D.
proscribe
【单选题】Why does the Australia government allow the importation of the elephants?
A.
As a part of conservation program.
B.
To safeguard the nearing extinct species.
C.
To attract more tourists.
D.
Under the pressure of the public.
【单选题】在动态测试中,电桥的输出量通常采用()。
A.
电阻
B.
电压
C.
电流
D.
电感
【单选题】The passage mentions which of the following as a problem associated with the importation of tulips into North America?
A.
They were no longer fashionable by the time they arrived.
B.
They often failed to survive the journey.
C.
Orders often took six months or longer to fill.
D.
Settlers knew little about how to cultivate them.
【多选题】轮胎外胎的组成部分有( )。
A.
胎面
B.
帘布层
C.
缓冲层
D.
胎圈
【多选题】轮胎的主要组成部分有()。
A.
胎面
B.
外胎
C.
内胎
D.
垫带
【单选题】____ are taxes that governments place on the importation of certain items.
A.
tariffs
B.
surcharges
C.
reciprocities
D.
embargoes
【多选题】轮胎外胎的组成部分有:
A.
胎面
B.
胎肩
C.
胎侧
D.
胎圈
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