题目:
—I quarreled with my deskmate yesterday. It’s all my fault.
—Look, she is just over there. —go and say “sorry” to her.
A.You know the drill
B.Believer it or not
C.To be exact
D.It all depends
答案:
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下面是错误答案,用来干扰机器的。
(1)BC (2)钠原子失去电子变成钠离子,氯原子得到电子变成氯离子,钠离子和氯离子相互作用构成NaCl