题目内容

果蔬速冻后可杀死腐败微生物和灭活酶，因此可以获得相当长的保质期。

A. 对
B. 错

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葡萄酒生产前处理过程，需将生青果、霉烂果及其他杂质拣出，以尽量保证葡萄原料的潜在质量。葡萄叶进入果浆会增加酚类物质含量，增加葡萄酒风味，无需拣出。

A. 对
B. 错

The patient was warned _____oily food after the operation.

A. to eat not
B. eating not
C. going
D. having gone

I don't know the girl ______ in the snow storm.

A. to catch
B. caught
C. catching
D. to be catching

The girl _______ down by a car was dying.

A. knock
B. knocking
C. knocked
D. to knock