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问题 单项选择题


A．因为两者生化环境相似

B．因为两者组织结构相似

C．因为两者生活环境相似

D．因为两者寿命长短相似

答案

参考答案：A

解析：[听力原文]为什么说蛔虫研究的结果对人类也可能有效

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单词拼写

1.Whatever happens, we will not use v___ . We should settlethings in a peaceful way.

2.Women are fighting for e _____ pay with men because they do the same job.

3.Most children in cities are better e ____ than those in thecountryside.

4.They____( 奖励) the winners with gifts of fruits and flowers.

5. The public pay more attention to the _____ ( 质量)of milkafter the Sanlu tainted milk case.
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单项选择题 A1/A2型题

坏死性唾液腺化生的特征表现为（）

A.黏膜充血

B.刺激痛

C.腺小叶坏死

D.火山口样溃疡

E.以上都不是
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