March 22 is World Water Day. It started in 1993. It not only makes us think about the importance of water, but also calls on(号召)us to
What is wastewater? It is used water. Usually, wastewater comes from homes,
How can we treat wastewater? Different kinds of wastewater need different ways of treatment. Wastewater
A.drink | B.save | C.carry | D.watch |
A.easy | B.popular | C.small | D.serious |
A.factories | B.lakes | C.rivers | D.seas |
A.gets back | B.hands in | C.changes into | D.picks up |
A.nothing | B.something | C.nobody | D.somebody |
A.What | B.Who | C.Why | D.How |
A.work | B.interest | C.health | D.business |
A.on | B.for | C.with | D.from |
A.less | B.more | C.better | D.worse |
A.and | B.whether | C.after | D.before |
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How many plastic bags do you use every day?
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over unnecessary plastic shopping bags.There were
“If we do________ about it,the earth will be eaten up by white pollution.And human beings will become plastic men.” said one of the performers.
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A.Are | B.Were | C.Is | D.Was |
A.few | B.much | C.fewer | D.1ess |
A.think | B.thinks | C.to think | D.thinking |
A.called back | B.called | C.called on | D.cheered on |
A.instead | B.take the place of | C.instead of | D.take place |
A.other | B.the other | C.another | D.the others |
A.hundred | B.hundreds of | C.hundred of | D.hundreds |
A.nothing | B.anything | C.something | D.everything |
A.so much | B.too much | C.such many | D.so many |
A.until | B.because | C.if | D.unless |
【推荐2】Ever since Shanghai started garbage sorting (垃圾分类), one problem has bothered Shi Yuan. When people throw away wet waste (
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Shi’s idea
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A.widely | B.mainly | C.probably | D.gradually |
A.14 years old | B.14-years-old | C.14-year-old | D.14-years-olds |
A.nothing | B.everything | C.anything | D.something |
A.special | B.simple | C.plastic | D.colorful |
A.top | B.side | C.bottom | D.center |
A.make | B.made | C.to make | D.making |
A.scientific | B.useful | C.reusable | D.unexpected |
A.wins | B.won | C.beats | D.beat |
A.turn off | B.turn out | C.turn on | D.turn into |
A.other | B.others | C.another | D.the others |
When I was a kid, I used to ride my mountain bike everywhere. It was one of my favorite
It can be very
It can be scary with lots of cars, motorbikes and people around. I always look out for traffic
I start to use shared bikes, too. On weekends, my friend and I sometimes ride shared bikes to the museum.
If we all try to ride bikes often and drive less, there will be less
A.ideas | B.methods | C.hobbies | D.plans |
A.practiced | B.started | C.enjoyed | D.stopped |
A.dangerous | B.safe | C.good | D.interesting |
A.me | B.you | C.them | D.us |
A.trouble | B.fun | C.pain | D.fear |
A.when | B.until | C.because | D.so |
A.usually | B.always | C.sometimes | D.never |
A.comfortable | B.nervous | C.strange | D.sleepy |
A.Such as | B.Because of | C.According to | D.Thanks to |
A.communication | B.action | C.pollution | D.population |