Questions 23 to 25 are based on the conversation you have just heard.
A. Business. B. Computing.
B. C. Architecture. D. He hasn’t decided yet.
Questions 19 to 22 are based on the conversation you have just heard.
A. Because she will go to the concert with Margaret.
Because she will go to the theatre.
C. Because she will have to finish her paper in her flat.
D. Because she is not interested in classical music.
通过测定______和CO2产生量来计算能量代谢需了解被氧化食物的种类及数量。
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