很陌生stra
ger陌生人18idiomidioms习语19u
iformtheclothesyouhavetoweari
school校服20havegreatmemoriesof对…有美好的记忆
fu
it3
1bei
da
ger
otsafe处于危险中da
gerous危险的2asaresultofbecauseof由于3resulti
causeleadto造成，导致4mou
tai
sofalotofple
tyofalarge
umberofalargeamou
tof大量，许多5takeactio
todosthtakestepstodosth采取行动6makeadiffere
ce有作用，有影响haveaeffecto
7actasworkas充当8keep…fromdoi
gsthstoppreve
t…doi
gsth阻止…做9sealeveltheheightoftheocea
海平面12takei
absorb吸收13gree
co
sumere
viro
me
tal绿色消费者co
sumercustomer14bediffere
tfrom…i
在某些方面不一样15beworriedaboutbeco
cer
edabout为…担忧18lifelessdead无生命的19recyclereuse循环使用21surfacethetoppartofa
areaofla
d表面23i
creasebecomemore增加，增长reduce减少24
ature
atural自然的，天然的24properright正确的，恰当的properly语法填空常考题型
ffr