题目内容

---It will be snowy tomorrow ______ the weather report.

---Great.It is too warm this winter.


  1. A.
    according to
  2. B.
    hearing
  3. C.
    because of
  4. D.
    instead of
A
根据上下文的意思,可知是根据天气预报得的结论,只有A符合题意,表示根据的意思。
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If you have a bottle of water recycled(再利用) from urine(尿), would you drink it? Astronauts at the ISS may soon do so.

NASA(美国航空航天局) said it would use a high-tech machine to recycle wastewater at the ISS. The machine will recycle water for washing hands, shower water, water for brushing teeth and even urine to make drinking water. It will save millions of dollars each year.

At present, each ISS astronaut uses about 4.4 liters(升) of water every day. It costs about 24 million dollars a year to send water up to the ISS. A liter of water costs about $ 11,000.

The machine will be sent to the ISS later. NASA hopes it will recycle about 93% of all the water used on the station.

Will the water be clean? Different chemicals will be put in the wastewater. The water will be heated to 130℃ to kill bacteria(细菌). Scientists say that the recycled water is thousands of times better than the water from a city tap.

1.NASA will use a high-tech machine to recycle wastewater at the ISS to ______.

A.protect the ISS

B.make the astronauts work harder

C.provide better water and food for the astronauts

D.save the cost of sending water up to the ISS

2.At present it costs NASA about ______ dollars to transport water up to an astronaut at the ISS a day.

A.4.4 thousand                           B.11 thousand

C.48.4 thousand                          D.24 million

3.Scientists plan to get rid of bacteria in the wastewater by ______.

A.freezing                              B.heating

C.shaking                               D.precipitating(沉淀)

4.The passage mainly tells us something about ______.

A.water recycling at the ISS

B.the International Space Station

C.a high-tech machine

D.the cost of NASA

5.Which of the following sentences is TURE?

A.The recycled water is much better than that from a city tap.

B.The high-tech machine will recycle all the water used on the station.

C.The ISS astronauts use more water than us.

D.The high-tech machine can only recycle urine to make water.

 

Someone says, “Time is money.” But I think time is   1  important than money. Why? Because when money is spent, we can get it back. However, when time is  2  ,it will never  3  . This is   4  we must not waste(浪费) time.

   We think that  5  is usually limited(有限). Even a second is very important. We should make full use of our time to do  6  useful.

   But it is a pity that there are a lot of people who do not know the importance of time. They spent their limited time smoking, drinking and  7  . They do not know that wasting time means wasting part of their own  8  .

   In a word, we should save time… We should not  9  today’s work for tomorrow. Remember we have no time to  10  .

1.A.much          B.less              C.much less           D.much more

2.A.cost           B.bought            C.gone               D.finished

3.A.return         B.carry              C.take               D.bring

4.A.what          B.that               C.because            D.why

5.A.money         B.time              C.day               D.food

6.A.nothing        .B.something         C.anything            D.things

7.A.reading        B.writing            C.playing             D.working

8.A.time           B.food              C.money             D.life

9.A.stop           B.leave              C.let                D.give

10.A.lose           B.save               C.spend             D.take

 

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