1.Theworld’spopulation_______.
A.willreach7billionintheend
B.reached7billionbytheendof2011
C.reached7billionbefore2011
2.Whichcountryisthethirdmostpopulousintheworldby2050?
A.China. B.Nigeria.
C.TheU.S.A..
3.Whendidtheworld’spopulationgrowmostslowly?
A.From1800to1930. B.From1930to1960.
C.From1960to1974.
4.ThepopulationofChinaandIndiamadeup_____oftheworld’spopulationattheendof2011.
A.19% B.16.7% C.35.7%
5.What’stheChinesemeaningof“billion”?
A.1000000000 B.100000000
C.10000000