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【单选题】
食物来源的氨基酸最主要的生理功能是（）A.
合成某些含氮化合物
B.
合成蛋白质
C.
氧化供能
D.
转变为糖
E.
转变为脂肪
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皮皮学刷刷变学霸
举一反三
【单选题】---I wonder why Mr. Green hasn’t showed up at the meeting yet.
A.
-I’m not sure, but he _______ in a traffic jam driving here.
B.
could be stuck
C.
might stuck
D.
might have been stuck
E.
must have stuck
【单选题】—I wonder why Mr. Brown hasn &39;t showed up at the meeting yet. —I &39; m not sure, but he ______ in a traffic jam driving here
A.
could be stuck
B.
might stuck
C.
might have been stuck
D.
must have stuck
【单选题】--I wonder why Mr. Brown hasn' t showed up at the meeting yet. --I' m not sure, but he__________ in a traffic jam driving here.
A.
could be stuck
B.
,might stuck
C.
might have been stuck
D.
must have stuck
【单选题】邓小平发表“解放思想、实事求是、团结一致向前看”的讲话是在( )。
A.
1978年党的十一届三中全会
B.
1978年中央工作会议
C.
党的十二大
D.
1978年全国科学大会开幕式
【简答题】--I wonder why Mr. Brown hasn't showed up at the meeting yet. --I' m not sure, but he ____in a traffic jam driving here. A) could be stuck B) might stuck C) might have been stuck D) must have stuck
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