衢州市有许多风景名胜，下述自然景象属于生物群落的是_刷题宝

题干

衢州市有许多风景名胜，下述自然景象属于生物群落的是（　　）

A：江山江郎山上的赤丹岩

B：衢州烂柯山中所有松树

C：开化古田山所有生物

D：龙游石窟中所有微生物

上一题下一题 0.0难度选择题更新时间:2018-11-02 02:31:45

答案(点此获取答案解析）

C

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昆虫在发育过程中有蜕皮现象，对此现象解释正确的是( )。

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The young tribal man helped Mrs. Davidson find her way back, in return for________medical equipment was offered to him by the latter.

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完形填空

通读下面的短文，掌握其大意，然后从各题所给的A、B、C三个选项中选出一个最佳答案。

I'm Sandy. I'm 1 eleven-year-old girl. I think my parents are 2 with me. Do you know why? Now let me tell you.

There are too many rules at my home. I have to 3 for 15 minutes every morning. My parents think running is good for health, 4 I don't like running. My things 5 be everywhere. I must 6 my room tidy. After school, I can't play with my friends, 7. I have to go home to do my 8. I often ask my mother, “Mom, can I watch TV?” She always 9, “Do you finish your homework? If you do, it's time for 10 to play the violin.” I have to practice the violin for an hour every evening.

I don't like the rules at my home. Are there any rules at your home?

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下列操作中，可以鉴别空气、氧气和二氧化碳三瓶气体的是（）

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下列关于生命起源与生物进化的叙述中，错误的是( )

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