Pollution happens when trash, chemicals, or other substances contaminate the Earth's air, water, or land. Learn how to define pollution, explore...
B. is good for wealthy people C. causes some heated argument D. has been used widely in the UK 50. What does “designer babies” mean in the passage? A. Parents can change their baby’s eye colour. B. Parents ...
teacherthatcanspeak23languagesanddancetomusic.“ 6 isnecessarytoencouragekidsto comeup 7 newwaystomakeuseoftechnologyinschoollife,”theheadoftheschool 8 (add)intheinterview.Therobotteachersareused 9 (help)improvelearning.Thisdoesn?t meanthathumanteacherswilllosetheirjobs.Therobotscanteachwell, 10 theyaren...
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9.Whatdoestheunderlinedword”perils”inParagraph3mostprobablymean? A.Dangers. B.Self-drivingcars. C.Pedestrians. D.Human-drivencars. 10.Inwhichaspectcanself-drivingcarsbeathuman-drivencars? A.Drivingsteadily. B.Climbingsteepslopes. C.Evaluatingthecostofloss. D.Makingcomplexdecisions. 11.Whereisthete...
What does all thisplastic pollutionmean for the health of people and the planet? And what can we do about it? Experts across the University of California are tackling our big plastic problem from every imaginable angle, from chemistry to engineering, policy to art, medicine to oceanography. ...
While tea bag manufacturers might be doing their bit to reduce plastic pollution, it could be a good time to switch your favourite beverage to coffee, or if that isn’t your cup of tea then try using loose-leaf tea, which can have a better flavour.1. What is the main idea of paragra...
They think that they have done everything that they can do for their dear children. 2 But why still can’t we understand our parents? Does it mean that we still want more material things? No. Actually, what we want is a true family. 3 I think it means a place where we can ...
12. Why does Robert put forward the suggestion? A. To reduce light pollution. B. To keep the ground clean. C. To cut energy consumption. 听第9段材料,回答第13至16题。 13. Who influenced Elena greatly in her career choice? A. Her brother. B. Her father. C. Her teacher. ...
Directions: For this part, you are allowed 30 minutes to write an essay that begins with the sentence“Nowadays parents are increasingly aware that allowing kids more freedom to explore and learn on their own helps foster their i...