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【单选题】
对一化学反应,若知其 ,则
A.
△H随温度升高而减少
B.
△H随温度升高而增大
C.
△H不随温度改变而改变
D.
△H随温度的变化没有规律
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【简答题】听下面一段材料,回答第1-3题。 1. What is the relationship between the speakers? A. T hey are friends. B. They are strangers to each other. C. They are husband and wife. 2. Why does the woman come to talk with the ...
【单选题】_____ the bathroom window broke I was having a shower.
A.
When
B.
Where
C.
Since
D.
As
【单选题】以下有关离合器功能和作用描述错误的是 :
A.
可以实现车辆的平稳起步
B.
是纯电动汽车必备的起步装置;
C.
换挡过程可以中断传动系的动力,配合换挡。
D.
可以在混合动力传动系统中实现动力传动路线的切换。
【单选题】hey are too tired __. [     ]
A.
not to stand up
B.
to stand up
C.
to they stand up
D.
stands up
【简答题】用 watch, see, look at, look 填空。 1. I______around but I can't ______anybody. 2. —Who isn't here? —Let me ______. 3. —What do you do on Sundays? —I______TV. 4. They ______ ______ my family photo. 5. If ...
【单选题】—Who helped you repair your chair? —______! I repaired it all by myself. [     ]
A.
Somebody
B.
Anybody
C.
Nobody
D.
Everybody
【单选题】It was Johnson broke the window of the classroom
A.
that
B.
who
C.
which
D.
whom
【单选题】________ big or small countries, we will make friends with anybody who admits that there is only one China.
A.
Instead of
B.
Thanks to
C.
Except for
D.
Regardless of
【单选题】Raccoon coats are unsanitary. They shed. They smell bad. They weight too much. T hey are unsightly .
A.
invisible
B.
ugly
C.
precipitate
D.
provisional
【判断题】It was yesterday when he broke the window.
A.
正确
B.
错误
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