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【单选题】
In all of amino acids of a protein, which of followingis acidic amino acid. ( )A.
Glu
B.
Asp
C.
Arg
D.
answers a and b
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举一反三
【简答题】Put the following sentences into Chinese: You'd better put on your jackets to protect your clothes.
【简答题】一名26岁工人因亚硝酸盐中毒入急诊就医,该工人出现缺氧的原因是
【单选题】You'd better put things back . Otherwise, it will be difficult to find things. [ ]
A.
in the place
B.
in place
C.
out of place
D.
out of the place
【单选题】If you rank the books according to the frequency they might be touched, you'd better put ______.
A.
reference books at the most important position
B.
brand-new books at the most important position
C.
dog-eared books at the most important position
D.
all the novels at the most important position
【简答题】谐波减速器的特点有哪些?它由组成结构是什么?
【单选题】You'd better put your hag when there are too many people on the bus.
A.
on your back
B.
beside you
C.
in front of you
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