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【简答题】
维持蛋白质一级结构的最主要化学键是_____
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反馈参考答案：
举一反三
【单选题】He was still full of ____for the future despite his many problems.
A.
identification
B.
enticements
C.
optimism
D.
flushed
E.
confrontation
F.
viciously
G.
masculine
H.
prominence
I.
react
J.
blinking
【单选题】挖掘机正铲作业时，最大开挖高度和深度不超过机械本身性能的规定;反铲作业时，履带距工作面边缘距离应大于( ) m。
A.
3;
B.
2.5;
C.
2;
D.
1.5;
E.
1;
【简答题】正铲作业时，作业面应不超过本机性能规定的最大开挖高度和深度，在拉铲或反铲作业时，挖掘机履带或轮胎与作业面边缘距离不得小于（）
【简答题】Tony walked out of the shopping mall with his arms full of bags and
the sun shining on him. As he approached his car, he started awkwardly
feeling around his pockets with his arm full of bags. He di...
【简答题】Churchill's full name was Winston Leonard Spencer Churchill. He was born in 1874. He was educated at Harrow School and the Royal Military College, Sandhurst. In 1900 Churchill was elected a member of ...
【简答题】If you visited Karl Green, you might not atfirst sight think he was (1). Most of what he owns is rather (2) and he will readily admit to (3) the bottom income (4). Yet he would (5) that he is poor,...
【单选题】Read the following excerpt and choose the right one. If I am out of my mind, it's all right with me, thought Moses Herzog. Some people thought he was cracked and for a time he himself had doubted that...
A.
Norman Mailer
B.
Ralph Ellison
C.
Philip Roth
D.
Saul Bellow
【简答题】Tony walked out of the shopping mall with his arms full of bags and the sun shining on him. As he approached his car, he started awkwardly feeling around his pockets with his arm full of bags. He did ...
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