Choose the words or phrases that best fit each of the blank spaces
                   Are you "green" enough?
Thanks(41)......... the Internet, we are now living in a global village.We have more information about other countries(42)........ever before.We know as much about the situation in Africa(43)......... in the USA, pollution which(44).......in one country will affect other countries, too
For  example, nuclear power is not dangerous only for one country(45).......is an  international problem. If we do not take action soon, the possibility of a nuclear(46).......is very real.We should all recycle our(47).........not hope"green' people will do it for us.Some people think(48).......resources will go on forever, but they(49)....... .We all have an obligation  our environment
41.A.to B.for C.of D.fom
42.A.as B.than C.more D.all
43.A.than B.as well C.as D.more than
44.A.produces B.producing C.is produce D.is produced
45.A.but B.and C.or D.so
46.A.event B.happening C.disaster D.incident
47.A.rubbish B.garbage C.waste D.all are correct
48.A.nature B.natural C.man made D.artificial
49.A.will B.shan't C.won't D.may
50.A.to protect B.protect C.protecting D.protected