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【单选题】
下列现象属于自由扩散的是 1 水分子通过植物细胞的细胞膜 2 水分子或其他植物细胞的细胞壁 3 蔗糖分子通过细胞壁 4 水分子或其他溶剂分子通过液泡膜 5 水分子或其他溶剂分子通过原生质层
A.
①②③
B.
③④⑤
C.
①④⑤
D.
①③⑤
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举一反三
【单选题】用氧化还原发测得某试样中铁的质量分数为: 20.01%,20.03%,20.04%,20.05%,分析结果的标准偏差为
A.
1.479E-4
B.
1.48E-4
C.
1.5E-4
D.
1.7E-4
查看完整题目与答案
【多选题】What are the qualities for a marketing assistant ?
A.
Have at least two-year work experience in this field.
B.
Speak fluent English.
C.
Be able to work under pressure.
D.
Have good communication skills.
E.
Love children
查看完整题目与答案
【单选题】Ten years ________a long time in one’s life.
A.
has been
B.
are
C.
is
D.
have been
查看完整题目与答案
【单选题】The banking has long been the _____ of the region’s crony capitalism.
A.
obstacle
B.
holdback
C.
cornerstone
D.
hindrance
查看完整题目与答案
【多选题】拉线、顶（撑）杆、拉线柱巡视内容包括( )
A.
水平拉线对地距离是否符合要求
B.
拉线绝缘子是否损坏或缺少
C.
拉线是否妨碍交通或被车碰撞
D.
电杆是否断裂
查看完整题目与答案
【多选题】What are the qualities of Chinese food attracting the West people?
A.
color
B.
easy-to-cook
C.
aroma
D.
Sweet and Sour Pork
E.
flavor
F.
economical
G.
vitamins retained
查看完整题目与答案
【简答题】画画，涂色。 I'm a girl. I have long, straight hair. I'm a rabbit. I have a short tail and red eyes. Draw flowers (花). Colour the flowers red and pink. Draw a monster. It is purple. It has small ears and bi...
查看完整题目与答案
【单选题】听力原文：W: Have you ever seen so much snow in your life? M: I'm just tired of all this cold. How I envy those guys in Florida! Q: What is being discussed? (10)
A.
Florida.
B.
Holiday in Florida.
C.
The man's friends in Florida.
D.
Weather.
查看完整题目与答案
【单选题】How long do you suppose ______ we applied for the job ________ we had been trained .
A.
has it been since ; for which
B.
is it before ; in which
C.
it is when ; that
D.
it is since ; for which
查看完整题目与答案
【单选题】用氧化还原发测得某试样中铁的质量分数为:20.01%,20.03%,20.04%,20.05%,分析结果的标准偏差为
A.
0.01479%
B.
0.0148%
C.
0.015%
D.
0.017%
查看完整题目与答案
相关题目：
【单选题】用氧化还原发测得某试样中铁的质量分数为: 20.01%,20.03%,20.04%,20.05%,分析结果的标准偏差为
A.
1.479E-4
B.
1.48E-4
C.
1.5E-4
D.
1.7E-4
查看完整题目与答案
【多选题】What are the qualities for a marketing assistant ?
A.
Have at least two-year work experience in this field.
B.
Speak fluent English.
C.
Be able to work under pressure.
D.
Have good communication skills.
E.
Love children
查看完整题目与答案
【单选题】Ten years ________a long time in one’s life.
A.
has been
B.
are
C.
is
D.
have been
查看完整题目与答案
【单选题】The banking has long been the _____ of the region’s crony capitalism.
A.
obstacle
B.
holdback
C.
cornerstone
D.
hindrance
查看完整题目与答案
【多选题】拉线、顶（撑）杆、拉线柱巡视内容包括( )
A.
水平拉线对地距离是否符合要求
B.
拉线绝缘子是否损坏或缺少
C.
拉线是否妨碍交通或被车碰撞
D.
电杆是否断裂
查看完整题目与答案
【多选题】What are the qualities of Chinese food attracting the West people?
A.
color
B.
easy-to-cook
C.
aroma
D.
Sweet and Sour Pork
E.
flavor
F.
economical
G.
vitamins retained
查看完整题目与答案
【简答题】画画，涂色。 I'm a girl. I have long, straight hair. I'm a rabbit. I have a short tail and red eyes. Draw flowers (花). Colour the flowers red and pink. Draw a monster. It is purple. It has small ears and bi...
查看完整题目与答案
【单选题】听力原文：W: Have you ever seen so much snow in your life? M: I'm just tired of all this cold. How I envy those guys in Florida! Q: What is being discussed? (10)
A.
Florida.
B.
Holiday in Florida.
C.
The man's friends in Florida.
D.
Weather.
查看完整题目与答案
【单选题】How long do you suppose ______ we applied for the job ________ we had been trained .
A.
has it been since ; for which
B.
is it before ; in which
C.
it is when ; that
D.
it is since ; for which
查看完整题目与答案
【单选题】用氧化还原发测得某试样中铁的质量分数为:20.01%,20.03%,20.04%,20.05%,分析结果的标准偏差为
A.
0.01479%
B.
0.0148%
C.
0.015%
D.
0.017%
查看完整题目与答案
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