Ouranswerwillbethreatenedbyonenaturaldisasterafteranotherifwedon'tactnow.
A. notusual
B. drownedby
C. indangerof
D. remarkable
查看答案
Theamountofgarbageinourwaterhasbecomealarming.
A. things
B. fish
C. people
D. pollution
Someplasticsdonotbreakdownandthatisbadfortheenvironment.
A. arenon-degradable
B. aregoodquality
C. arenew
D. arehighquality
Wecannotonlydependonthegovernmenttosolveourenvironmentalproblem.Weallhavetodoourbit.
A. good
B. state-of-the-art
C. ecological
D. dark
KeepingyourTVreadyforusewastesalotofelectricity.
A. onstandby
B. inyourbedroom
C. onthecoffeetable
D. whenyoudon'twatchit