偶然性对事物发展的作用是( )

【名词&注释】

操作能力(operation ability)、发展过程、操作程序(operation procedure)、热带雨林(tropical rain forest)、代表人物(representative)、错综复杂(labyrth)、有关规定(related regulations)、聪明才智(acumen)、《继承法》、可有可无

[单选题]偶然性对事物发展的作用是( )

A. 决定性的支配作用
B. 可有可无的作用
C. 促进或延缓的作用
D. 破坏性的作用

查看答案&解析

举一反三：

[单选题]强调教师中心，教材中心，课堂中心的代表人物是( )

A. 杜威
B. 赫尔巴特
C. 洛克
D. 卢梭

[单选题]胸锁乳突肌 （ ）

A. 受颈神经支配
B. 止于颧骨
C. 止于乳突
D. 只起自锁骨的内侧端
E. 单侧收缩使头歪向对侧，面转向同侧

[单选题]I expect __________some tough questions from both sides.

A. there be
B. there to be
C. there being
D. there been

[单选题]What do you think of the old woman? She was________．

A. clever
B. foolish
C. polite
D. kind

[单选题]下面不成对的颅骨是 （ ）

A. 顶骨
B. 鼻骨
C. 上颌骨
D. 泪骨
E. 下颌骨

[单选题]以肌体的外部动作或运动占主导地位的活动，由相应的神经过程所支配的骨骼肌肉运动实现的一系列外显动作称之为( )

A. 操作能力
B. 动作技能
C. 操作模式
D. 操作程序

[单选题]Passage Four

The atmosphere and oceans are not the only parts of the environment being damaged. Rain forests are being quickly destroyed as well, and their survival is questionable. E．O. Wilson, a biologist at Harvard, calls the depletion(枯竭、耗尽)of rain forest areas "the greatest extinction since the end of the age of dinosaurs(恐龙)." Unlike some environmental issues, rain forests' depletion has fortunately received significant public and media's attention. Despite the opposition to the cutting down of rain forests, the problem continues. Every year, Brazil chops down an area of forests the size of the state of Nebraska. In addition to the Amazon's rain forests, many other forests are being cut down as well.: In Indonesia, Zaire, Papua-new Guinea, Malaysia, Burme, the Philippines, Peru, Colombia, Bolivia, and Venezuela, rain forests that were once great have been lost.

A. the oceans
B. the atmosphere
C. the rain forests
D. all the above

[单选题]根据我国法律的规定，当几种继承之间发生冲突时，按效力的高低排列顺序应是( )。

A. 法定继承，遗嘱继承和遗赠，遗赠扶养协议
B. 遗嘱继承和遗赠，法定继承，遗赠扶养协议
C. 遗赠扶养协议，法定继承，遗嘱继承和遗赠
D. 遗赠扶养协议，遗嘱继承和遗赠，法定继承

[单选题]有关食物链的说法正确的是( )

A. 同一种食物只能被一种消费者取食
B. 多条食物链可形成食物网
C. 一种消费者不能同时取食多种食物
D. 营养级是有一定顺序的，不是错综复杂的

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