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【多选题】
下列关于α螺旋,叙述正确的是A.
螺旋中每3.6个氨基酸残基为一
B.
为右手螺旋结构
C.
两螺旋之间借二硫键维持其稳定
D.
氨基酸侧链R基团分布在螺旋外侧
E.
酸性氨基酸集中区域有利于螺旋形成
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【简答题】写出纯棉精梳纱纺纱工艺流程。
【单选题】Through social media we tell (criminals) exactly where we are.
A.
劝告
B.
可信的
C.
犯罪的；罪犯
【简答题】Have you ever wondered what a Degree might be worth to you in your job or career? It means a lot of Americans with an Associate Degree average nearly $10,000 more in yearly earnings than those with ju...
【简答题】What image does the word “Britain” conjure up（令人想到）in your mind? Big Ben，the frequently changing weather, fish and chips… But have you ever wondered what British people think means “Britain”? English ...
【单选题】Sending messages through social media sites is also taking the place of verbal communication.
A.
True
B.
False
【简答题】B Have you ever been to the beautiful country of Holland and its capital Amsterdam? Anyone who has traveled to Amsterdam would probably agree on one thing: Amsterdam’s story is a tale of two cities—on...
【单选题】When you enter college or start a new school, it’s a great idea to interact with your new peers through social media, such as Facebook. So you should _______.
A.
join the group created for your class and send mass friend requests to every single person before the first day of classes
B.
connect with your roommates through social media
C.
post every detail about your college, including your class schedule
【单选题】When you enter college or start a new school, it's a great idea to interact with your new peers through social media, such as Facebook. So you should __________.
A.
join the group created for your class and send mass friend requests to every single person before the first day of classes
B.
connect with your roommates through social media
C.
post every detail about your college, including your class schedule
D.
communicate with your classmates in daily life
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