题目内容

纯牛奶的蛋白质含量一般为5%左右。

A. 对
B. 错

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畜禽肉的蛋白质含量一般为10%~%

Listen to the conversation and choose the best answer to each question you hear. 1.

A government office.
B. A hotel.
C. An insurance company.
D. A travel agency.

2.

A. Grey.
B. Green.
C. Red.
D. White.

3.

A. The 3rd office on the right on the 5th floor.
B. The 5th office on the right on the 5th floor
C. The 3rd office on the left on the 3rd floor.
D. The 5th office on the left on the 3rd floor.

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