用所給的單詞組成有邏輯的句子。

1.umbrella, white, whose, is

__________________________________________?

2.is, green, the, table, heavy

__________________________________________.

3.Tom, on, blue, is, the, bicycle

__________________________________________?

4.the, now, basket, the, put, in, like, egg, this

__________________________________________.

5.your, and, orange, open, give, desk, me, that

__________________________________________.

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Study hard. Get plenty of sleep. Eat a good breakfast. Each of these things can help students do their best on exams. Now scientists say another thing might also influence students’ test scores. Students in stuffier (通風(fēng)不暢的) classrooms did worse on tests than students in buildings with fresher air, new research (研究) found.

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4.What is the main idea of the passage?

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B. Stuffy classrooms lead to problems.

C. Stuffy classrooms may lower test scores.

D. CO2 in classrooms leads to poor performance.

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