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【多选题】
下列哪几项是被动转运的特点
A.
药物从高浓度侧向低浓度侧的顺浓度转运
B.
不需要载体，膜对药物无特殊选择性
C.
不消耗能量，扩散过程与细胞代谢无关，不受细胞代谢抑制剂的影响
D.
不存在转运饱和现象和同类物竞争抑制现象
E.
受代谢抑制剂的影响
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参考答案：
举一反三
【单选题】Although the small room is        the large one, it is more beautifully decorated.
A.
one- third the size of
B.
the one- third size of
C.
the size of one-third
D.
one-third of the size
查看完整题目与答案
【单选题】In the last paragraph, the expression 'once the boiler is lit under it' most probably means 'when American industry is______'.
A.
undermined
B.
upgraded
C.
incensed
D.
stimulated
查看完整题目与答案
【单选题】We should be much ___________ if you could quote us the best CIF Tianjin.
A.
obliged
B.
appreciating
C.
appreciable
D.
thanks
查看完整题目与答案
【简答题】A．The room is too small for the audience. B．The show is very difficult to understand. C．The light in the room is not bright enough. D．The crowd is Very noisy.
查看完整题目与答案
【单选题】Between the distal, or far, end of the stomach and the small intestine is the___. The region of the stomach leading into this ___, the___, is important in regulating how rapidly food moves into the sm...
A.
cardiac sphincter, sphincter, cadia
B.
pyloric sphincter, sphincter, pylorus
C.
esophagus sphincter, jejunum, sphincter
D.
pyloric sphincter, sphincter, pyloric sphincter
查看完整题目与答案
【单选题】According to Dr. Lit, the most significant about the experiment was______.
A.
the way the dogs raised alerts
B.
the location of the false alerts
C.
the average time of the searches
D.
the number of the false alerts
查看完整题目与答案
【单选题】The small intestine is the main site of absorption, which is mainly related to the characteristics of the small intestine ?
A.
Its length is long
B.
Intestinal wall of small intestine is very thick
C.
High intestinal permeability
D.
The absorption area of small intestine is large
E.
There are many digestive enzymes in the small intestine.
查看完整题目与答案
【简答题】Diaoyu Dao and its affiliated (附属) islands, which consist of(由…组成)Diaoyu Dao, Huangwei Yu, Chiwei Yu, Nanxiao Dao, Beixiao Dao, Nan Yu, Bei Yu, Fei Yu and other islands, are in the northeast of China’...
查看完整题目与答案
【单选题】HiCN的最大吸收峰位于
A.
538m
B.
540nm
C.
570nm
D.
640nm
查看完整题目与答案
【单选题】It was funny to see that the dog’s eyes immediately ________ at the sight of its owner.
A.
lit up
B.
fixed up
C.
did up
D.
turned up
查看完整题目与答案
相关题目：
【单选题】Although the small room is        the large one, it is more beautifully decorated.
A.
one- third the size of
B.
the one- third size of
C.
the size of one-third
D.
one-third of the size
查看完整题目与答案
【单选题】In the last paragraph, the expression 'once the boiler is lit under it' most probably means 'when American industry is______'.
A.
undermined
B.
upgraded
C.
incensed
D.
stimulated
查看完整题目与答案
【单选题】We should be much ___________ if you could quote us the best CIF Tianjin.
A.
obliged
B.
appreciating
C.
appreciable
D.
thanks
查看完整题目与答案
【简答题】A．The room is too small for the audience. B．The show is very difficult to understand. C．The light in the room is not bright enough. D．The crowd is Very noisy.
查看完整题目与答案
【单选题】Between the distal, or far, end of the stomach and the small intestine is the___. The region of the stomach leading into this ___, the___, is important in regulating how rapidly food moves into the sm...
A.
cardiac sphincter, sphincter, cadia
B.
pyloric sphincter, sphincter, pylorus
C.
esophagus sphincter, jejunum, sphincter
D.
pyloric sphincter, sphincter, pyloric sphincter
查看完整题目与答案
【单选题】According to Dr. Lit, the most significant about the experiment was______.
A.
the way the dogs raised alerts
B.
the location of the false alerts
C.
the average time of the searches
D.
the number of the false alerts
查看完整题目与答案
【单选题】The small intestine is the main site of absorption, which is mainly related to the characteristics of the small intestine ?
A.
Its length is long
B.
Intestinal wall of small intestine is very thick
C.
High intestinal permeability
D.
The absorption area of small intestine is large
E.
There are many digestive enzymes in the small intestine.
查看完整题目与答案
【简答题】Diaoyu Dao and its affiliated (附属) islands, which consist of(由…组成)Diaoyu Dao, Huangwei Yu, Chiwei Yu, Nanxiao Dao, Beixiao Dao, Nan Yu, Bei Yu, Fei Yu and other islands, are in the northeast of China’...
查看完整题目与答案
【单选题】HiCN的最大吸收峰位于
A.
538m
B.
540nm
C.
570nm
D.
640nm
查看完整题目与答案
【单选题】It was funny to see that the dog’s eyes immediately ________ at the sight of its owner.
A.
lit up
B.
fixed up
C.
did up
D.
turned up
查看完整题目与答案
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