人员培训开发计划的具体内容不包括（） A.受训人员的数量 B.培训的方式方法 C.培

Want a good night's sleep? Then turn off your computer, cell phone or PSP two hours before you go to bed.

These things have bright lights. When our eyes see bright lights just before sleep, our sleep patterns (模式) change, a study has found.

Our body clock starts shutting us down for bed at 9 or 10 pm. But bright lights make our minds think that it is still daytime. That wakes us up and leaves us sleepless, experts say.

But if you read a paper book before sleeping, you won't have this problem. This is because light from a bedside lamp (台灯) does not go straight into our eyes.

Also, if you are watching a television from across the bedroom, you won't have problems falling asleep. The TV sends light to us from a distance, so the light won't be as strong.

小题1:The writer tells us to turn off the computer         before bed time.

A．half an hour

B．an hour

C．two hours

D．three hours小题2:Which of the following may make us sleepless?

A．Reading a newspaper.

B．Talking on QQ.

C．Reading a book.

D．Watching TV.小题3:Why can't we sleep well if we use a computer before bed time?

A．We think it is daytime if we leave computers on.

B．We feel too excited to sleep after using computers.

C．Lights from computers are brighter than other lights.

D．Lights from computers can change our sleep patterns.

用微库仑法测定水中AOX，吹脱挥发性有机卤化物时，进气口用乳胶管与气体洗涤瓶入口连接。

高凝状态

日射病（）

A.烈日暴晒或强烈热辐射作用于头部，引起脑组织充血、水肿

B.大量出汗后口渴，而饮水过多，引起脑组织水肿

C.大量出汗后口渴，而饮水过多，盐分补充不足，感觉四肢无力

D.大量出汗导致失水、失钠，血容量不足而致周围循环衰竭

E.高温下大量出汗仍不足以散热或体温调节功能障碍出汗减少致汗闭

识别X射线机图像的主要方法不正确的是（）

A.共性分析法，抓住某个物体的结构特征来判断其他同类物品。

B.整体判读法就是由四周到中间整幅图像进行判读。

C.抓住某个物体的结构中的一些特征进行判断是X射线图像识别方法中的特征分析法。

D.X射线图像识别方法中的形状分析法是通过图像中物体的形状判断物品。