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【简答题】
在1000K时，实验测得气相反应C 2 H 6 (g)→2CH 3 ·的速率常数表为k/s -1 =2.0× ，设这时 =2.0×10 13 s -1 。试求
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【单选题】Maintenance activities include(74)。 ① enhancements to software products ②developing a new software product ③correcting problems ④adapting products to new environments
A.
①②
B.
①③④
C.
②③④
D.
①②③④
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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
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【单选题】胎先露指示点下面哪几项是错误的:
A.
头先露为枕骨
B.
横位为肩胛骨
C.
臀位为骶骨
D.
面部为额骨
E.
额先露为额骨
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【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。
查看完整题目与答案
【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.
查看完整题目与答案
【简答题】His car broke ______, so he has a plausible explanation as to why he is late.
查看完整题目与答案
【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
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【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
查看完整题目与答案
【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
查看完整题目与答案
【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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相关题目：
【单选题】Maintenance activities include(74)。 ① enhancements to software products ②developing a new software product ③correcting problems ④adapting products to new environments
A.
①②
B.
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C.
②③④
D.
①②③④
查看完整题目与答案
【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
查看完整题目与答案
【单选题】胎先露指示点下面哪几项是错误的:
A.
头先露为枕骨
B.
横位为肩胛骨
C.
臀位为骶骨
D.
面部为额骨
E.
额先露为额骨
查看完整题目与答案
【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。
查看完整题目与答案
【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.
查看完整题目与答案
【简答题】His car broke ______, so he has a plausible explanation as to why he is late.
查看完整题目与答案
【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
查看完整题目与答案
【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
查看完整题目与答案
【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
查看完整题目与答案
【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
查看完整题目与答案
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