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【单选题】
Na + 通过离子通道的跨膜转运过程属于:
A.
单纯扩散
B.
易化扩散
C.
主动转运
D.
胞吞
E.
胞吐
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参考答案:
举一反三
【判断题】非对称密钥密码体系也成为公开密钥密码体系,即加密解密采用两个不同的密钥。
A.
正确
B.
错误
【简答题】You never get over being a child, ______ you have a mother to go to. A. as far as       B. unless        C. so long as       D. although
【简答题】用以下单词完成下面的句子。amazing , experience, return, accident, otherwise。 1. This was my first of living alone. 2. Shall I have a ticket? 3. I found the trip to the park . 4. Have your breakfast now. , it wi...
【简答题】If you work at such a slow pace, you will never be considered for (promote) ______.
【多选题】格栅所截留的悬浮物和漂浮物的数量,因( )不同而有很大的区别。
A.
污水色度
B.
污水温度
C.
污水性质
D.
所选用的栅条间隙宽度
【单选题】科学家根据拍照发现,几乎所有宇宙星系的某种元素的光谱线,相对于地球实验室内同种元素的广谱线,都具有明显而普遍的( )现象,于是根据物理学的多普勒效应,科学家进一步得出了“目前宇宙正在膨胀”的结论。
A.
增强
B.
减弱
C.
红移
D.
紫移
【判断题】开式万向传动装置采用单万向节。
A.
正确
B.
错误
【简答题】Your friend and you are going to the zoo, while you have no idea which bus you should take. A: Hello. I am going to the zoo. ______________? B: Yes, it does. A: Great! ________________? B: It ’ s $1.2...
【简答题】Dear sir or madam, I am writing to ask for information about your agency’s Hong Kong travel plans for the October holiday. My family and I would like to travel there from October 1st to 7th, in which ...
【单选题】Remember never to tell a lie to others. If you did, you would never ______it and it is more ____
A.
24.  Remember never to tell a lie to others. If you did, you would never ______it and it is more _____ that you will be discovered before long. A.get away with; likely
B.
get away from; possible
C.
get away with; possibly
D.
get away from; probable
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