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【单选题】
核糖体的组装（）
A.
在细胞核任何位置组装成完整核糖体
B.
在核仁中组装成完整的核糖体
C.
在核仁中分别组装核糖体的亚单位然后在细胞质中组装成完整的核糖体
D.
完全在细胞质中组装
E.
有时在细胞核中组装、有时在细胞质中组装
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参考答案：
举一反三
【单选题】Yesterday my teacher was off sick, because he had a frog in his throat. What does the underlined part mean?
A.
He tried to eat a big frog.
B.
It is difficult for him to speak because of a sore throat.
C.
He was frightened by a frog.
D.
The frog is hard to swallow.
查看完整题目与答案
【单选题】In the fable the Frog in the Well, why didn’t the turtle enter the well?
A.
Because the turtle disliked such a small well as soon as he saw it
B.
Because there was no water or food in the well
C.
Because the well was too small for the turtle
D.
Because the turtle did not want to take a mud massage in the well
查看完整题目与答案
【简答题】T he Frog in the Shallow Well His Spear against His Shield His Mark Ostrich Logic Blessing or Bane Sour gs Killing the goose that lays the golden eggs. One good turn deserves another. Don’t...
查看完整题目与答案
【简答题】某校课外活动小组为了解本校九年级学生的睡眠时间情况，对学校若干名九年级学生的睡眠时间进行了抽查，将所得数据整理后，画出了频率分布直方图的一部分（如图所示）．根据全班睡眠时间统计共分为六个小组，图中从左至 右前五个小组的频率分别是0.04，0.08，0.24，0.28，0.24，第二小组的频数为4．请回答： （1）这次被抽查的学生人数是多少？并补全频率分布直方图． （2）被抽查的学生中，睡眠时间在哪...
查看完整题目与答案
【判断题】降低空载线路过电压的主要措施为采用具有强灭弧能力的断路器。
A.
正确
B.
错误
查看完整题目与答案
【简答题】The toad and the frog A toad saw a frog near the road. He was a fat old frog. He sat and moaned and groaned. The toad said, “ Do not moan and groan, Mr. Frog. Hop like me. Hop down the road. ” So t...
查看完整题目与答案
【单选题】There is a frog living in a well. He never came out from the well. And he thought the sky was just as big as the mouth of the well. Crow: Hello, Frog. Let's have a talk. Frog: OK. Where are you from? ...
A.
True.
B.
False.
查看完整题目与答案
【简答题】某校课外活动小组为了解本校九年级学生的睡眠时间情况，对学校若干名九年级学生的睡眠时间进行了抽查，将所得数据整理后分为六组，画出了频数分布直方图的一部分。已知图中从左至右前五个小组的频率分别是0.04，0.08，0.24，0.28，0.24，第二小组的频数为4。 请回答： （1）这次被抽查的学生人数是多少？并补全频数分布直方图； （2）被抽查的学生中，睡眠时间在哪个范围内的人最多？这一范围内的人数是...
查看完整题目与答案
【简答题】我市关工委为了解本市九年级学生的睡眠时间情况，对我校若干名九年级学生的睡眠时间t（3～9小时之间）进行了抽查，将所得数据整理后，画出了频率分布直方图的一部分（如图）．已知图中从左到右前五个小组的频率分别是0.04，0.12，0.20，0.28，0.24，第三小组的频数为20．请回答： （1）这次被抽查的学生的人数是多少？求出第六小组的频率，并补全频率分布直方图； （2）被抽查的学生中，睡眠时间是在...
查看完整题目与答案
【单选题】本实验中,面粉是多少克?
A.
150
B.
160
C.
170
D.
175
查看完整题目与答案
相关题目：
【单选题】Yesterday my teacher was off sick, because he had a frog in his throat. What does the underlined part mean?
A.
He tried to eat a big frog.
B.
It is difficult for him to speak because of a sore throat.
C.
He was frightened by a frog.
D.
The frog is hard to swallow.
查看完整题目与答案
【单选题】In the fable the Frog in the Well, why didn’t the turtle enter the well?
A.
Because the turtle disliked such a small well as soon as he saw it
B.
Because there was no water or food in the well
C.
Because the well was too small for the turtle
D.
Because the turtle did not want to take a mud massage in the well
查看完整题目与答案
【简答题】T he Frog in the Shallow Well His Spear against His Shield His Mark Ostrich Logic Blessing or Bane Sour gs Killing the goose that lays the golden eggs. One good turn deserves another. Don’t...
查看完整题目与答案
【简答题】某校课外活动小组为了解本校九年级学生的睡眠时间情况，对学校若干名九年级学生的睡眠时间进行了抽查，将所得数据整理后，画出了频率分布直方图的一部分（如图所示）．根据全班睡眠时间统计共分为六个小组，图中从左至 右前五个小组的频率分别是0.04，0.08，0.24，0.28，0.24，第二小组的频数为4．请回答： （1）这次被抽查的学生人数是多少？并补全频率分布直方图． （2）被抽查的学生中，睡眠时间在哪...
查看完整题目与答案
【判断题】降低空载线路过电压的主要措施为采用具有强灭弧能力的断路器。
A.
正确
B.
错误
查看完整题目与答案
【简答题】The toad and the frog A toad saw a frog near the road. He was a fat old frog. He sat and moaned and groaned. The toad said, “ Do not moan and groan, Mr. Frog. Hop like me. Hop down the road. ” So t...
查看完整题目与答案
【单选题】There is a frog living in a well. He never came out from the well. And he thought the sky was just as big as the mouth of the well. Crow: Hello, Frog. Let's have a talk. Frog: OK. Where are you from? ...
A.
True.
B.
False.
查看完整题目与答案
【简答题】某校课外活动小组为了解本校九年级学生的睡眠时间情况，对学校若干名九年级学生的睡眠时间进行了抽查，将所得数据整理后分为六组，画出了频数分布直方图的一部分。已知图中从左至右前五个小组的频率分别是0.04，0.08，0.24，0.28，0.24，第二小组的频数为4。 请回答： （1）这次被抽查的学生人数是多少？并补全频数分布直方图； （2）被抽查的学生中，睡眠时间在哪个范围内的人最多？这一范围内的人数是...
查看完整题目与答案
【简答题】我市关工委为了解本市九年级学生的睡眠时间情况，对我校若干名九年级学生的睡眠时间t（3～9小时之间）进行了抽查，将所得数据整理后，画出了频率分布直方图的一部分（如图）．已知图中从左到右前五个小组的频率分别是0.04，0.12，0.20，0.28，0.24，第三小组的频数为20．请回答： （1）这次被抽查的学生的人数是多少？求出第六小组的频率，并补全频率分布直方图； （2）被抽查的学生中，睡眠时间是在...
查看完整题目与答案
【单选题】本实验中,面粉是多少克?
A.
150
B.
160
C.
170
D.
175
查看完整题目与答案
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