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【简答题】
给出下列化合物在光解作用下进行去共轭反应的机理。
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皮皮学刷刷变学霸
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【简答题】Where did Jack get the information about the position? He got the information from______
【单选题】One day , Tom's teacher , Miss Mak, held a class meeting . " There will be a flag next Saturday. Does anyone want to join this meaningful event( 活动) ?" asked Mis Mak. Tom was interested in raising mon...
A.
He had other plans.
B.
He didn't like Miss Mak.
C.
He was not interested in the activity
D.
He was not brave enough to tlak to the strangers.
【简答题】OpenClass allows students to get information wherever they can get connected to the Internet.
【单选题】I don’t like to speak English because I’m afraid ___________mistakes.
A.
making
B.
to mak ing
C.
of making
D.
in making
【简答题】Where could Klara get such information from?
【单选题】— Must I go to medical school and be a doctor like you，Dad? — No，you__________，son．You’re free to make your own decision．
A.
can’t
B.
mustn’t
C.
shouldn’t
D.
needn’t
【单选题】Finding information in today's world is easy. The is how you can tell if the information you get is useful or not. [ ]
A.
ability
B.
competition
C.
challenge
D.
knowledge
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