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【单选题】
小明在家准备炒菜时,将少量食用油在锅内加热温度过高,突然着火燃烧.此时,最合适的措施是(  )
A.
立即内浇水
B.
熄灭火源,立即用锅盖盖严
C.
立即用泡沐灭火器灭火
D.
立即内加入切好的蔬禁
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参考答案:
举一反三
【判断题】长度比 μ<1 说明投影后线段变长了 。()
A.
正确
B.
错误
【单选题】Social action to help the poor should have the characteristics include______.
A.
the poor should see themselves as the source of the action
B.
the action should effect in major ways preconceptions of institutions
C.
the action should demand much in effect or skill
D.
all of the above
【简答题】试述气管胸部的位置和毗邻。
【单选题】Only after her mother came to help her for the first few months ______ to begin her project.
A.
did she allow
B.
had she allowed
C.
was she allowed
D.
is she allowed
【判断题】试探性问题是指唤起被访者的回忆,提高回答准确性。
A.
正确
B.
错误
【单选题】如图所示的欧洲轮廓图中,9代表的是哪个港口?
A.
康斯坦察
B.
雅典
C.
基辅
D.
伊斯坦布尔
【单选题】什么人的建筑可以用到九开间?()
A.
平民百姓
B.
富贾
C.
大臣
D.
皇帝
【单选题】The boss suggested to Jessica strongly that she should have a good time, but    didn’t help.
A.
which
B.
she
C.
she
D.
it
【单选题】 系统经过一个不可逆循环后 ____
A.
系统的熵增加 ;
B.
系统 吸热大于对外做功 ;
C.
环境 的熵一定增加 ;
D.
环境 热力学能减少
【单选题】I could help him with that, but I would sooner he ______ it by himself.
A.
does
B.
did
C.
do
D.
should do
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