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【多选题】
蛋白质的β片层结构的特点是
A.
氨基酸的R基分布在片层的一侧
B.
β-角蛋白具典型的β片层结构
C.
是一种比较伸展的结构
D.
若干锯齿状肽链骨架平行或反平行排列,键间靠氢键维系
E.
α-碳原子总处于折叠的角上
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参考答案：
举一反三
【判断题】我们必须对我国山水地质进行科学区分,以便于科学的管理和利用山水地质景观资源。()
A.
正确
B.
错误
查看完整题目与答案
【判断题】不同的种、属或亲缘关系更远的物种间杂交称为远缘杂交。
A.
正确
B.
错误
查看完整题目与答案
【简答题】Household rules should include the rules that everyone in the house is expected to follow, including parents. This means only __________ things that you are willing to do as well. Don’t include a rule...
查看完整题目与答案
【简答题】Passage 1 Persons who are overweight should watch their diet carefully in order to lose pounds. The, best way to do this is to start a weight control program. At first it is wise to talk with your doc...
查看完整题目与答案
【单选题】To apply to some universities, you must fill out the application form and include a short "autobiography". autobiography means________.
A.
account of your life written by yourself
B.
list of courses you have taken
C.
list of schools you have attended
查看完整题目与答案
【多选题】以下分布于家畜腹腔内的器官有（ ）。
A.
皱胃
B.
前列腺
C.
胰
D.
肾上腺
查看完整题目与答案
【单选题】In the paragraph “Using art as a form of therapy calls for a level of concentration that allows a person to relieve the pain of mental or emotional stress. Art therapy is not limited to painting or dr...
A.
the beginning of the paragraph
B.
the end of the paragraph
C.
the middle in the paragraph
D.
the beginning and the end of the paragraph
查看完整题目与答案
【简答题】Household rules should include the rules that everyone in the house is expected to follow, including parents. This means only __________ things that you are willing to do as well. Don’t include a rule...
查看完整题目与答案
【简答题】Household rules should include the rules that everyone in the house is expected to follow, including parents. This means only __________ things that you are willing to do as well. Don’t include a rule...
查看完整题目与答案
【单选题】involve means to:
A.
intend
B.
invent
C.
include
D.
integrate
查看完整题目与答案
相关题目：
【判断题】我们必须对我国山水地质进行科学区分,以便于科学的管理和利用山水地质景观资源。()
A.
正确
B.
错误
查看完整题目与答案
【判断题】不同的种、属或亲缘关系更远的物种间杂交称为远缘杂交。
A.
正确
B.
错误
查看完整题目与答案
【简答题】Household rules should include the rules that everyone in the house is expected to follow, including parents. This means only __________ things that you are willing to do as well. Don’t include a rule...
查看完整题目与答案
【简答题】Passage 1 Persons who are overweight should watch their diet carefully in order to lose pounds. The, best way to do this is to start a weight control program. At first it is wise to talk with your doc...
查看完整题目与答案
【单选题】To apply to some universities, you must fill out the application form and include a short "autobiography". autobiography means________.
A.
account of your life written by yourself
B.
list of courses you have taken
C.
list of schools you have attended
查看完整题目与答案
【多选题】以下分布于家畜腹腔内的器官有（ ）。
A.
皱胃
B.
前列腺
C.
胰
D.
肾上腺
查看完整题目与答案
【单选题】In the paragraph “Using art as a form of therapy calls for a level of concentration that allows a person to relieve the pain of mental or emotional stress. Art therapy is not limited to painting or dr...
A.
the beginning of the paragraph
B.
the end of the paragraph
C.
the middle in the paragraph
D.
the beginning and the end of the paragraph
查看完整题目与答案
【简答题】Household rules should include the rules that everyone in the house is expected to follow, including parents. This means only __________ things that you are willing to do as well. Don’t include a rule...
查看完整题目与答案
【简答题】Household rules should include the rules that everyone in the house is expected to follow, including parents. This means only __________ things that you are willing to do as well. Don’t include a rule...
查看完整题目与答案
【单选题】involve means to:
A.
intend
B.
invent
C.
include
D.
integrate
查看完整题目与答案
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