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【单选题】
下列关于反应级数的说法正确的是A.
反应级数必须是正整数
B.
二级反应即双分子反应
C.
化学反应式配平即可求得反应级数
D.
反应级数随温度升高而增大
E.
反应级数只能由实验确定
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反馈参考答案：
举一反三
【单选题】 III . Passages. Passage 1
A.
Helping film crews with the equipment at the beginning of his career.
B.
Working as editor’s assistant at the beginning of his career.
C.
Being refused repeatedly by production companies when shopping a screenplay.
D.
Struggling through 6 years of annoying, hopeless uncertainty.
【单选题】III .Passages. Passage 1
A.
About 79% of people.
B.
More than 43% of people.
C.
More than 70% of people.
D.
About 57% of people.
【单选题】III . Passages. Passage 2
A.
About 79% of people.
B.
More than 43% of people.
C.
More than 70% of people.
D.
About 57% of people.
【简答题】哺乳动物成熟的红细胞之所以成为研究质膜的结构及其与膜骨架的关系，主要原因是什么？
【单选题】 III . Passages. Passage 1
A.
He would sooner or later win a golden statue.
B.
He has a talent in making films.
C.
He would obtain funding for his screenplay sooner or later.
D.
He is very persistent and can also sacrifice for his family.
【简答题】简述莫尔强度理论。
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