以产量表示盈余平衡点时，盈亏平衡点越低，表明项目对产品数量变_爱下问搜题

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问题单项选择题

以产量表示盈余平衡点时，盈亏平衡点越低，表明项目对产品数量变化的适应能力( )。

A．越弱
B．越强
C．递减
D．无变化

答案

参考答案：B

解析：盈亏平衡点越低，表明项目对产品数量变化的适应能力越强，项目的抗风险能力也就越强。

填空题

smoking stop unhealthy allowed badly
started easily living thought named

Tang Ling often smoked cigarettes(香烟) in his school’s washing room. He 1 smoking at the age of 14. One day he learnt that the NBA star Yao Ming, an ambassador(大使) to the Chinese Association on Tobacco Control (中国控烟协会), asked people not to smoke. Yao Ming was Tang’s favorite star, and his words meant a lot to him. He decided to give up 2 .
According to the Chinese Association on Tobacco Control, about 350 million Chinese smoke. Among them, 50 million are teenagers. Sun Jiangping of Beijing University said, “ Teenagers can get cigarettes 3 , especially when their parents smoke or shops sell cigarettes to them. It’s very important for parents to help their children 4 smoking.”
A 15-year-old boy 5 Li Kun from Beijing said his parents didn’t smoke. Because they 6 smoking could make people feel 7 ill, they only 8 him to play with friends without smoking. 9 in such a good family helped Li say no to cigarettes. Some of his smoking classmates once told Li that smoking made boys look cool, but Li disagreed. He said, “Smoking is 10 and it’s not cool at all. Please stop smoking now!”

问答题简答题

举出轻钢龙骨吊顶常用的几类材料。