题目内容

2（T为电网电压的周期）。测得输出电压平均值UO可能的数值分别为多少？请选择合适答案填入空内。(1) 正常情况UO≈； (2) 电容虚焊时UO≈；(3) 负载电阻开路时UO≈； (4) 一只整流管和滤波电容同时开路，UO≈。

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What is the man planning to do according to the conversation?

A. Enter the stock market instead of investing in clothing
B. Move to another residence from Wall Street.
C. Transfer his investment to the Chinese stock market.
D. Share his money-making experience with other marketers.

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What does the man mean to do according to the conversation?

A. Sign his name for the fan.
B. Fill in an application form.
C. Exchange gifts with his friends.
D. Get a purchase refunded.

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What might the two speakers do according to the conversation?

A. Quit their jobs at the same tme.
B. Take an adventurous trip with their savings
C. Establish a firm in collaboration.
D. Enrich their poor knowledge in business.

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（）are the possible locations of the main idea in a paragraph.

At the beginning of a paragraph
B. In the middle ofa paragraph
C. At the end of a paragraph
D. In more than one sentence

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What is the man planning to do according to the conversation?

What does the man mean to do according to the conversation?

What might the two speakers do according to the conversation?

（ ）are the possible locations of the main idea in a paragraph.

（）are the possible locations of the main idea in a paragraph.