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【判断题】
当分子的空间构型相同时，键的极性越强，其分子的极性也越强。A.
正确
B.
错误
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【简答题】His test results for the whole term were not very _____. He did well one week and badly the next. A. consequent B. continuous C. consistent D. invariable 2. Mary is so _______ that she crie...
【单选题】—Did you remember to give Mary the money you owed her? —Yes, I gave it to her _________ I saw her.
A.
once
B.
immediately
C.
as soon as
D.
when
【判断题】惩罚指当行为者在一定情景或刺激下产生某一行为后,结果立即导致了厌恶刺激的出现或损失已经获得的正强化物,那么此后类似的情景或刺激下,该行为的发生频率就会降低。
A.
正确
B.
错误
【简答题】Two of the most important people I know are my coaches. They also happen to 小题1: my mom and dad! My mom, Mary, and my dad, Jack, are my coaches. They started teaching me 小题2: to play tennis when I was...
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