1.2对第三段文字中词句的理解,不正确的一项是( )。
A. “维管束表现植物智慧”,意思是指在发展进化中,植物改变自己以适应生长需要而表现出的生命活力。
B. “树活一层皮”的俗语,反映了过去人们在维管束功能方面认识上的不足,以为只是树皮在发挥作用。
C. 维管束中的木质部导管和韧皮部筛管细胞,分别输送不同的营养物质,这样能够“提高运输效率”。
D. “伴胞”是植物体中的一种小细胞,作为维管束系统中的一部分,主要是帮助筛管细胞运输大分子有机物。
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4.33. A. discovered B. allowed C. shared D. mentioned
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3.33.A. hated B. employed C. disappointed D. visited
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5.28. A. ridden B. flew C. been D. gone
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2.29.
A. Therefore
B. However
C. Otherwise
D. Besides
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4.6词汇与语法知识
My friend Bob always ()jokes whenever we get together.
says
B. speaks
C. talks
D. tells
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3.11 Bill is not in the office. He()to the library an hour ago.
A. went
B. has gone
C. would go
D. has been
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3.10 “We can’t go out in this weather,” said Bob, out of the window.
A. to have looked
B. looked
C. looking
D. to look
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2.9 Could you please why you are so late today?
A. explained
B. explain
C. to explain
D. explaining
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5.16公子无忌悄悄步行往见身为“博徒卖浆者流”的毛公、薛公说明什么?(5分)
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