选出对课文《狼》的内容理解不正确的一项是[ ] A．这个故事的高潮是屠夫积极抵御

Waste can bring a lot of problems. Although China is rich in some resources (资源) , we are short of others, for example, fresh water. It is reported that we will have no coal or oil to use in 100 years. So if we go on wasting our resources, what can we use in the future and where can we move? Think about it. 38. I think we should say no to the students who waste things every day. Everyone should stop wasting as soon as possible.

39. In our everyday life, we can do many things to prevent (阻止) wastefrom happening, for example, turn off the water taps when we finish washing, turn off the lights when we leave the classroom, try not to order more food than we need, and so on. Little by little, everything will be changed. 40. Waste canbe stopped one day, if we do our best.

人是牛带绦虫的哪种宿主

A．终宿主
B．保虫宿主
C．中间宿主
D．转续宿主
E．以上均对

双合诊指的是()。

A．直肠和腹部的联合检查

B． * * 和腹部的联合检查

C．直肠和 * * 的联合检查

D．子宫和腹部的联合检查

E．直肠和外阴部的联合检查

建设项目中人的因素包括( )的数量与质量。

A．管理人员与技术人员
B．生产人员与技术人员
C．生产人员与研发人员
D．管理人员与生产人员

掘进巷道贯通前，综合机械化掘进巷道在相距50M前.其他巷道在相距（）M前，必须停止一个工作面作业，做好调整通风系统的准备工作。

A、30

B、40

C、20

D、15