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【简答题】
微生物的发酵产酸不仅可以为发酵食品提供柔和的酸味，还可以抑制有害微生物的生长繁殖，例如肉毒杆菌在pH低于_______时就难以生长及产生毒素。因此，在高酸性发酵食品中一般不会有肉毒杆菌生长。
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【简答题】一种货币的远期汇率高于即期汇率称之为贴水，又称远期贴水。相反，一种货币的远期汇率低于即期汇率称之为升水，又称远期升水。如果升水和贴水二者相等，则称为远期平价。（ ）
【单选题】While my parents _____ last night, I _____ a new computer game in my room. [ ]
A.
cooked; have played
B.
were cooking; played
C.
cooked; am playing
D.
were cooking; was playing
【判断题】用货叉叉货时，货叉应尽可能深地叉入载荷下面，还要注意货叉尖不能碰到其它货物或物件。应采用最小的门架后倾来稳定载荷，以免载荷后向后滑动。放下载荷时可使门架少量前倾，以便于安放载荷和抽出货叉。()
A.
正确
B.
错误
【单选题】My computer is ________ in need of repair because it does not work at all.
A.
well
B.
very
C.
badly
D.
rather
【单选题】My father had ____ me a new computer as my birthday present. [ ]
A.
thought
B.
accepted
C.
recognized
D.
promised
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