From Paragorph 2, we know that the author was .

From Paragorph 2, we know that the author was .A.good a pretendingB.rude to the stockbrokerC.ready to

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(3)若长期使用农药防治棉蚜,会导致棉蚜种群的抗药基因频率_________。(增大、不变、减小)。

(3)若长期使用农药防治棉蚜,会导致棉蚜种群的抗药基因频率_________ 。(增大、不变、减小)。

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Who probably wrote the letter?

Who probably wrote the letter?A. An editor.B. An artist.C. A reporter.D. A reader.

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The author mentions businesses in Paragraph 5 in order to

The author mentions businesses in Paragraph 5 in order toA. argue against free university educationB.

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The author thinks that with full government funding

The author thinks that with full government fundingA. teachers are less satisfiedB. students are more

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