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【判断题】
对正调控和负调控操纵子而言,诱导物都能促进基因的转录A.
正确
B.
错误
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反馈参考答案：
举一反三
【简答题】If he refuses to _____ my plan, I can probably findsomeone more cooperative. A. put up with B. fall in with C. do away with D. get along with
【简答题】I don't mind their disapproving of my plan, but, in my heart, I still want their support.
【简答题】设X是连续型随机变量，其分布函数为 确定其中的常数a，b，c，d的值。
【单选题】My parents were against my travel plan while my brother was __________ it.
A.
in praise of
B.
in honor of
C.
in search of
D.
in favor of
【单选题】My mother was against my plan while my father was _____ it. [ ]
A.
in favor of
B.
in memory of
C.
in need of
D.
in search of
【单选题】设连续型随机变量服从参数为 λ(λ>0) 的指数分布,其概率分布函数为: 已知概率 P{X>100}=e -2 , 则概率 P{50 等于多少? 注: MATLAB 中计算指数分布概率分布函数为 expcdf(x,miu), 其中 miu 与这里的 λ 不同,所以不要直接调用 expcdf 计算该题。 (本题10.0分)
A.
0.3811
B.
0.1318
C.
0.8131
D.
0.3181
【单选题】The snow______my plan to visit my aunt in the countryside.
A.
confused
B.
bewildered
C.
conversed
D.
hampered
【简答题】I plan to play football with my classmates.英译汉
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