If you want to know what season it is, ______ .
A. you can take it for granted
B. you'd better visit a public park
C. you should use your sense of touch
D. you should drive a car
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The writer always has his Thanksgiving Day in______.
A. his own house
B. his Daddy's
C. his grandparents'
D. one of his friends'
One way of producing cold is to allow ______ .
A. a liquid to move slowly
B. a liquid to evaporate
C. a gas to evaporate
D. a molecule to move slowly
To keep food in a good condition, refrigeration is ______ .
A. the only useful way
B. one of the two ways mentioned
C. only one of many ways used
D. one of the useful ways
1分子葡萄糖碳架糖酵解过程底物水平磷酸化次数为()。
A. 1
B. 2
C. 3
D. 4
E. 5
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