鱼肉类食品腐败变质的主要原因是（）。
A．食品组成性质
B．微生物
C．环境温度
D．pH
E．温度
参考答案：B
Tom is kind：He is willing to help others．
A．such
B．much
C．too
D．so
— He hasn’t watched the movie “ So Young”, has he?
— ________. He told me it’s very moving and interesting, he’d like to watch it again.
A．Yes, he has
B．Yes, he hasn’t
C．No, he hasn’t
D．No, he has
