题目内容

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.

( )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

A topic is the broad or general subject of an intended message.

A. 对
B. 错

控制性分根交替灌溉就是利用一部分根位于土壤干燥区,使作物受到协迫根部产生 ,传到叶片而使气孔开度减小而节水的。

A. 脱落酸(ABA)
B. 二氧化碳
C. 生长素

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