Pollution happens when trash, chemicals, or other substances contaminate the Earth's air, water, or land. Learn how to define pollution, explore...
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IfyouareplanningaEuropeantripthat?saffordableandalittlebitoffthebeatenpath,Romaniais perfect for you.Unlike other popular places,manycharmingtowns hereremain unknowntomostforeigners.Youcanalsotakefree walkingtoursinthenumeroushistoricalsites. Hostelsrun $10—$15pernight,foodishearty anddelicious,andthepublict...
attitudestowardstexting.D.Tosuggesttherightuseofpunctuationmarks.( )6.WhyisJuanAbenanteRinconmentionedinthetext?A.Tomakeassessmentsontherecentstudy.B.Toconfirmthefindingsoftherecentstudy.C.Toputforwarddoubtsabouttherecentstudy.D.Toshowgreatoppositionfortherecen... ...
1. It's adj for sb to do 做…对某人来说… 2. … so / such … that … 如此… 以至于…… too … to do... 太… 而不能… 3. not…until… 直到…才…例: I didn't go to bed until my mother came back. 4. The reason why + 句子 is that + 句子 … 的原因是…例: The rea...
• See how pollution and human activity are harming sea life. • With real videos of marine animals. • Suitable for all ages from 3+. ABOUT LEARNY LAND At Learny Land, we love to play, and we believe that games must form part of the educational and growth stage of all children;...
(2) Learning and Memory finds you are probably better off sleeping than making last-minute preparations for a test. Two hundred college kids were taught to play some unfamiliar video games. Subjects who learned the games in the morning lost some skills when they played again 12 hours later, ...
it helps to reduce the traffic pressure. There will be less pollution because of bike-sharing. Besides, bike-sharing helps people take more exercise. In this way, it's helpful to people's health. As for me, I'd love to have a brother or sister as...
Farmyard robots can cut down chemical pollution. 1 ? Many of them use chemicals to kill weeds (杂草). The trouble is, these weedkillers also kill wildlife, pollute rivers and are bad for the fields. 2 . This kind of robot can cut weedkiller use by 90%. The robot is really smart ...
Dongting Lake is the second freshwater(淡水) lake in China, it’s home to nearly 400 kinds of fishes. But in the past, people threw litter and factories put waste water into the lake. Even worse, a large number of fish were caught by fishermen. Because of pollution and overfishing (过...