任务型阅读。 根据短文内容,判断正误,正确的写(T),错误的写(F)。 Ele

题型:阅读理解

问题:

任务型阅读。

根据短文内容,判断正误,正确的写(T),错误的写(F)。

     Electricity can be made by burning gas and coal  (煤). It can also be made by using power from the

sun and wind which is more friendly to the environment. As we know, electricity is very useful in our daily

life. We use it for lighting, heating and so on. It makes telephones, radios, televisions and computers work. So it isvery important and we should save it. Here are'some tips for us:

▲Turn off televisions and lights when they are not in use.

▲ Use energy efficient (节能) light bulbs. They will last longer and save much.

electricity.

▲ Keep our fridge at 37°F- 40°F and our freezer at 50F.

▲ Put lamps in comers of rooms, so they can reflect (反射) light from two walls instead of one.

▲ Turn down the central heating a few degrees. Sometimes we do not need so much electricity to keep

     the house warm.

▲Don't always use the drier to dry our hair after bathing.

( )1.Electricity can only be made by using power from the sun and wind.  

(     )2. We should turn off the televisions and lights when they are not in use.

(     )3. Keeping our fridge at 45 °F is the best.

( )4. We'd better use the drier to dry our hair after bathing.

( )5. The passage  is mainly about some tips for saving electricity.

考点:日常生活类阅读
题型:阅读理解

属有潜在毒性,但低剂量可能具有功能作用的微量元素是()

A.硫

B.钴

C.氮

D.硅

E.氟

题型:阅读理解

无色或淡黄色的十二指肠引流液是()

A.胃液

B.肝胆管液

C.胆总管液

D.十二指肠液

E.胆囊液

题型:阅读理解

以下是有关系统误差叙述,错误的是( )。

A.误差可以估计其大小

B.误差是可以测定的

C.在同一条件下重复测定中,正负误差出现的机会相等

D.它对分析结果影响比较恒定

题型:阅读理解

制冷机组中对空气的冷却介质是()。

A.氟利昂

B.乙二醇

C.22%的乙二醇水溶液

D.冰水

题型:阅读理解

搜救雷达应答器是与下述设备共同完成寻位作用的()。

A、卫星示位标

B、X波段导航雷达

C、S波段导航雷达

D、DSC终端

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