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【单选题】
某有机物的结构 ,该有机物不可能发生的化学反应是( )A.
加成反应
B.
酯化反应
C.
氧化反应
D.
水解反应
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【单选题】His car broke ________, so he has a plausible explanation as to why he is late.
A.
up
B.
out
C.
in
D.
down
【简答题】It can lead to a better quality of life! lead to导致,造成,通向 Too much rain ____. 大量的雨水导致了洪水泛滥。 Your explanation has ____. 你的解释使我有了清晰的理解。 lead to doing... 导致...... His conceit ____the match. 他的自负导致输掉了这场比赛。
【单选题】This story of the development of a gunshot-locating system shows ______.
A.
scientific development can greatly enrich people's life.
B.
scientific concepts are too abstract for people to understand.
C.
scientific knowledge is a great stimulus to economic development.
D.
scientific research in one field can aid society in an unrelated area.
【简答题】His car broke ______, so he has a plausible explanation as to why he is late.
【单选题】The passage is mainly about _______
A.
the characteristics of American newspapers
B.
the development of American newspapers
C.
the functions of American newspapers
D.
the merits and shortcomings of American newspapers
【单选题】His car broke ______, so he has a plausible explanation as to why he is late.
A.
out
B.
off
C.
down
D.
in
【单选题】建筑物防雷分类是按照建筑物的重要性、生产性质、遭受雷击的可能性和严重性进行的。在建筑物防雷类别的划分中，电石库应划分为______防雷建筑物。
A.
第一类
B.
第二类
C.
第三类
D.
第四类
【单选题】According to the last paragraph, in the future______.
A.
it may be hard to predict the development of the Internet
B.
the Internet will become an indispensable superhighway
C.
the Internet will be applied more
D.
the Internet will combine cable stations
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