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【简答题】
写出下列反应的化学方程式并填空． （1）碳在过量氧气中充分燃烧： 该反应属于 （选填“放热”或“吸热”）反应． （2）锌和稀硫酸反应： ；反应类型是 （3）盐酸与碳酸氢按反应： ；明显的现象是 （4）实验室加热高锰酸钾制取氧气： 在发生装置的试管口放一团棉花的作用是 . （5）用熟石灰和硫酸铜溶液制备波尔多液： 反应类型是 ．
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参考答案：
举一反三
【单选题】--- _________________________ --- Nothing special.
A.
What time should I come?
B.
How about Sunday afternoon?
C.
What are you doing on Sunday afternoon?
D.
Would you like to join us?
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【单选题】Has John ____ Beijing _____ Shanghai?
A.
leaving; to
B.
left; to
C.
left; for
D.
leaving for
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【简答题】A:_____________________________________. B:Nothing special. I just watched TV for the whole day.
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【单选题】I will _______ Beijing tomorrow.
A.
leave for
B.
left for
C.
left at
D.
leave at
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【简答题】B:Nothing special.
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【简答题】翻译句子:Nothing special. I was thinking of watching TV.
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【单选题】Was it on that morning _____ you left for Beijing _____ he discovered our secret? [     ]
A.
that; where
B.
which; that
C.
when; that
D.
that; when
查看完整题目与答案
【单选题】Nothing Special. I was thinking _______ watching TV.?
A.
over
B.
for
C.
of
D.
from
查看完整题目与答案
【单选题】— What happened _____ the evening of April First? — Nothing special. [     ]
A.
on
B.
with
C.
at
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【单选题】若一直线 V 和 W 面投影都平行于 Z 轴,则该直线一定为
A.
水平线
B.
正平线
C.
正垂线
D.
铅垂线
查看完整题目与答案
相关题目：
【单选题】--- _________________________ --- Nothing special.
A.
What time should I come?
B.
How about Sunday afternoon?
C.
What are you doing on Sunday afternoon?
D.
Would you like to join us?
查看完整题目与答案
【单选题】Has John ____ Beijing _____ Shanghai?
A.
leaving; to
B.
left; to
C.
left; for
D.
leaving for
查看完整题目与答案
【简答题】A:_____________________________________. B:Nothing special. I just watched TV for the whole day.
查看完整题目与答案
【单选题】I will _______ Beijing tomorrow.
A.
leave for
B.
left for
C.
left at
D.
leave at
查看完整题目与答案
【简答题】B:Nothing special.
查看完整题目与答案
【简答题】翻译句子:Nothing special. I was thinking of watching TV.
查看完整题目与答案
【单选题】Was it on that morning _____ you left for Beijing _____ he discovered our secret? [     ]
A.
that; where
B.
which; that
C.
when; that
D.
that; when
查看完整题目与答案
【单选题】Nothing Special. I was thinking _______ watching TV.?
A.
over
B.
for
C.
of
D.
from
查看完整题目与答案
【单选题】— What happened _____ the evening of April First? — Nothing special. [     ]
A.
on
B.
with
C.
at
查看完整题目与答案
【单选题】若一直线 V 和 W 面投影都平行于 Z 轴,则该直线一定为
A.
水平线
B.
正平线
C.
正垂线
D.
铅垂线
查看完整题目与答案
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