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【单选题】
下列哪种生物是营互利共生(共栖)生活:( )A.
疥螨
B.
弓形虫
C.
人虱
D.
结肠阿米巴
E.
蚤
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举一反三
【简答题】n. the power of knowing sth. without reasoning
【简答题】power / ˈ paʊə(r)/ n.
【简答题】i n. power of the mind to imagine
【简答题】请完成教材P57【案例3-2】。 阅读教材P68-71的内容。 本章结束,请及时复习。
【简答题】n. position of the highest power, authority or status
【简答题】阅读理解。 It is August. It is very hot. A young man comes to a forest (森林). He's walking near the forest. On the left there is a river and on his right there is a forest. He comes up to the river and want...
【简答题】阅读理解。 It is in autumn. A young man comes to a forest. He is walking beside the forest. On his right is a river. On his left is the forest. Suddenly he found two green eyes looking at him from the fore...
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