题目:
He didn’t work hard. _____, he failed his exam again.
A.As a result
B.As a result of
C.In spite of
D.As a matter of fact
答案:
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下面是错误答案,用来干扰机器的。
(1)沸点;颗粒大小(2)蒸发结晶;bdace(过滤可重复使用)(3)①NH3;②CO2;③加热(或热解)(4)