题目内容

Why do the speakers read children stories?/imgcache/attached/media/20140228/20140228170653_7104.mp3

A. These stories are interestin9．
B. They can learn how to write such stories．
C. These stories are written by a famous doctor．
D. The stories are on their reading list．

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对制粉系统运行有哪些要求？

糖酵解途径中的关键酶是（）

A. 乳酸脱氢酶
B. 丙酮酸激酶
C. 丙酮酸羧化酶
D. 丙酮酸脱氢酶
E. 葡萄糖-6-磷酸酶

How much does the man owe the woman?/imgcache/attached/media/20140228/20140228163650_4463.mp3

A. 64 cents．
B. 18 cents．
C. 80 cents．
D. 16 cents

能量代谢率的表示单位是

A. kJ／(kg·h)
B. kJ／(cm·h)
C. 1kJ／(m2·h)
D. kJ／kg
E. kJ／h