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题型:完形填空 题类:常考题 难易度:普通

2016年新目标英语中知能综合检测九:八年级上册 Units 10-12

完形填空

    You can certainly see sunrise and sunset from the moon surface,  1  you can't see them as  2  as you do from the earth.

Here on  3  earth, our planet's rotation(自转) carries us  4 daylight to darkness. That's true on the moon as well. But the moon's spin(旋转) is  5  slower than the earth's. An earth day lasts twenty-four  6  . A lunar day lasts about one earth month. That means  7 about two weeks between each sunrise and sunset on the moon.

    On the earth, when you watch sunset, you can see colored light for a while after the sun disappears. But if you watch sunset on the moon, you'll find it's  8  as midnight as soon as the sun  9 , because the moon doesn't have an atmosphere(大气层). And  10  , sunrise on the moon will come just as suddenly.

(1)
A、and                            B、or       C、so      D、but
(2)
A、often                                                                  B、more often C、most often      D、less often
(3)
A、a                             B、an      C、the    D、/
(4)
A、at                                    B、from        C、for      D、with
(5)
A、many                                 B、much        C、a lot of           D、more
(6)
A、minutes                     B、hours    C、days    D、months
(7)
A、have                                                                   B、has C、 there are      D、there is
(8)
A、dark                         B、bright      C、shiny         D、mysterious
(9)
A、set                              B、sets            C、setting       D、will set
(10)
A、as for                                                            B、all over C、of course             D、right away
举一反三
Choose the best answer and complete the passage (选择最恰当的选项完成短文)

    Saving the environment is actually quite simple, when you come to think about it. It does not have to be a problem. If you and everyone follow these tips, you are helping save the environment easily.

    Switch off the lights when you leave the room. By now you have probably wasted thousands of watts (瓦特) lightening your room 1 you weren't there. If you work on a home office, this habit is not only bad for the environment, but also for your pocket.

    Turn off the computer when possible. If you know that you will be 2 for four hours or more, turning it off could lead to large savings over the long run.

    Print only when necessary. Sure, reading on paper might be more comfortable, but you should avoid printing those two-line e-mails every time. Read it on the screen and print only necessary documents. Remember also to use 3 sides of the sheet.

    Use fluorescent lamps (荧光灯). The fluorescent lamps may 4 more in the stores, but within the time you use one, you should have already recovered the investment. A normal incandescent light bulb (白炽灯泡) lasts 750 hours but a fluorescent bulb will give off the same amount of light yet last for 7,500 to 10, 000 hours with 1/3 of the wattage.

    Use low-flush (冲洗) toilets. In your household, 40% of the pure water is flushed down the toilet. You can 5 this easy way at home; use small plastic bottles, filled with water or stones to displace (置换) the amount of water in toilets. This will make it a "low-flush toilet", or you can use a displacement bag in your tank, which might reduce 1-2 gallons per flush.

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