“一个小丑进城，胜过一打名医。”这句话说明了_刷题宝

题干

“一个小丑进城，胜过一打名医。”这句话说明了（）

A：人的情绪与人的需要有关

B：人的情绪变化无常

C：积极情绪可以对人产生积极作用

D：消极情绪对人产生消极作用

上一题下一题 0.0难度选择题更新时间:2014-07-31 10:16:35

答案(点此获取答案解析）

C

同类题1

任务型阅读

Bird lovers know that a good place to go bird-watching is Guandu Nature Park. As many as 220 kinds of birds come to this park every year. Since the park offers birds lots of food to eat and places to build their nests, it has become a paradise（天堂）for birds.

Guandu Nature Park is also a great outdoor classroom. The park's Nature Center provides guided tours to the public. During the tour, visitors can learn about the environment. So, if you want to have a fun and educational weekend, come to Guandu Nature Park. Get away from city life and head into nature.

同类题2

如图所示，是小明同学为宜宾港设计的一个货物运送装置图，其中，AB是长L=10m的传送带，BC是平台，AB两端的高度差h=2.5m，传送带在电动机M的带动下顺时针匀速转动．现有一质量m=547.2kg的货物，从A端随传送带一起匀速地被运送到平台BC上，传送带运行的速度v=4m/s．由于轮轴等方面的摩擦，电动机输出功（转化为机械功）的效率η=80%，电动机允许通过的最大电流为25A．取g=10N/kg求：

同类题3

Can they talk to ____ (we) tonight?

同类题4

列式计算．

同类题5

A：Is it time for English class?

B：No．It's time for PE class．

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