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【单选题】
我国目前所用的狂犬疫苗类型是A.
灭活疫苗
B.
减毒活疫苗
C.
多糖疫苗
D.
多肽疫苗
E.
基因工程疫苗
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举一反三
【单选题】It is very likely that the high temperature of the ocean contributes to the increase of major storms.
A.
Y
B.
N
C.
NG
【简答题】挡土墙土压力根据挡土墙的位移情况和墙后土体所处的应力状态,可将土压力分为 、 、 三种。
【单选题】Early injection timing is indicated by ______.
A.
high exhaust temperature and low firing pressure
B.
high exhaust temperature and high firing pressure
C.
low exhaust temperature and low firing pressure
D.
low exhaust temperature and high firing pressure
【判断题】Substances with high specific heat values do not change their temperature appreciably.
A.
正确
B.
错误
【单选题】The average temperature this year is _______ that of last year.
A.
as not high as
B.
not as high
C.
not as higher as
D.
not as high as
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