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【单选题】
下列哪种不是必需氨基酸?A.
甲硫氨酸
B.
丝氨酸
C.
亮氨酸
D.
赖氨酸
E.
缬氨酸
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举一反三
【简答题】医药市场营销的主体是 ,医药市场营销的客体是 ,医药市场营销的实质是 。
【单选题】I am very sorry about the misunderstanding that () this ().
A.
lead to,cancelation
B.
led to,cancelment
C.
led to,cancellation
D.
lead to,cancelment
【简答题】Although these opportunities don't gua______ to lead to success, market-oriented businesses should find them worth considering.
【单选题】Most young people don't want _____ the kind of life that their parents ______. [ ]
A.
to lead; used to live
B.
living; used to live
C.
to live; used to living
D.
leading; used to live
【简答题】你认为一个案例能够成功完成探究的因素有哪一些？
【单选题】According to the acoustics, continual exposure ______ noise of high intensity would lead to loss of hearing.
A.
of
B.
with
C.
to
D.
by
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