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【单选题】
下列化合物中,能与菲林试剂反应生成铜镜的是( )。A.
环己酮
B.
乙醛
C.
苯甲醛
D.
丙酮
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皮皮学刷刷变学霸
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【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
【简答题】Unsurprisingly, articles debunking the story have not traveled nearly as far on social media as the original versions did. The coronavirus epidemic in China surpassed a grim milestone last week with a...
【单选题】“Not nearly as far as I’m going to go” means ______.
A.
I’m still going to work farther away from home
B.
I’m not going to work far away from home
C.
I’m not satisfied with what I’ve done
D.
What I have done is not far from success
【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。
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