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【单选题】
东北和西北地区,冬季汽车水箱中加入乙二醇的主要原因是()
A.
沸点升高
B.
蒸气压下降
C.
凝固点下降
D.
渗透压
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参考答案:
举一反三
【单选题】He asked me, “Did you see my sister last night?” ----He asked me __________
A.
if I had seen his sister the night before.
B.
whether I had seen your sister the night before.
C.
did I have seen his sister the night before.
D.
that I saw his sister the night before.
【简答题】句型转换。 1. 'Could I copy your homework?' He asked me. (改为间接引语) He asked me copy homework. 2. The girl was shopping when the accident happened. (对划线部分提问) the girl when the accident happened? 3. We don't ...
【单选题】工作人员进入容器、槽箱内部进行检查、清洗和检修工作时,应加强通风,但严禁向内部输送( )。
A.
氮气
B.
蒸汽
C.
氧气
【单选题】汽车诞生在( )年
A.
1885.0
B.
1888.0
C.
1886.0
【多选题】若伸指肌腱在掌指关节近侧端断裂时,掌指关节不能伸直而指间关节因什么牵拉仍可伸直
A.
中央囊
B.
骨间肌
C.
屈指伸肌腱
D.
屈指浅肌腱
E.
蚓状肌
【单选题】汽车诞生在 年。
A.
1885
B.
1888
C.
1886
D.
1889
【单选题】汽车诞生在 年。
A.
1986
B.
1786
C.
1886
D.
2016
【判断题】工作人员进入容器、槽箱内部进行检查、清洗和检修工作,为了加强通风,尽量向内部输送氧气。
A.
正确
B.
错误
【单选题】工作人员进入容器、槽箱内部进行检查、清洗和检修工作时,应加强通风,但是严禁向内部输送()。
A.
蒸汽
B.
氧气
C.
空气
【单选题】"Have you seen the film?" he asked me. → He asked me .
A.
had I seen the film
B.
have I senn the film
C.
if I have seen the film
D.
whether I had seen the film
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