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【单选题】
吩噻嗪类药物在储存时,会逐渐变色,其原因是A.
吩噻嗪环被氧化
B.
吩噻嗪环被水解
C.
吩噻嗪环被开环
D.
吩噻嗪环发生脱氨反应
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皮皮学刷刷变学霸
举一反三
【单选题】-- How is everything going? --Not smoothly. The problem is not _________ so easy as we thought. It is far from being settled.
A.
almost
B.
hardly
C.
nearly
D.
scarcely
【单选题】能识别DNA特异序列并在识别位点或其周围切割双链：DNA的一类酶是
A.
核酸外切酶
B.
核酸内切酶
C.
限制性核酸外切酶
D.
限制性核酸内切酶
E.
核酸末端转移酶
【简答题】The problem is not _____ so easy as you think. It's far from being settled. A: nearly B; hardly C; almost
【单选题】The problem is not ____ so easy as you think. It’s far from being settled.
A.
hardly
B.
almost
C.
nearly
D.
scarcely
【简答题】资金是随时间变化而变的,其变化形式有 、 、 三种情况。
【单选题】Behaviors that we do not understand often become nearly invisible-even when,in retrospect,we see how truly strange they are. When I was a psychiatric resident,we had a faculty member who was famous fo...
A.
They disliked him,and that's why he got his separate room to see patients.
B.
They thought he is a little strange,but didn't pay much attention to his behavior.
C.
They were interested in his behavior,as they were all psychiatrists.
D.
They thought he had some mental retardness.
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