What had a piece of Canadian waterweed cause?
A: Eastern Australian was overrun with forests．
B: Half the waterways of Britain blocked for a decade．．
C: In parts of central Africa, the land reduced to a semi desert．
D: Disease-sleeping has been caused．
A: Eastern Australian was overrun with forests．
B: Half the waterways of Britain blocked for a decade．．
C: In parts of central Africa, the land reduced to a semi desert．
D: Disease-sleeping has been caused．
举一反三
- 8. Living in the Central Australian desert has its problems, ______ obtaining watering is not the least. A: of which B: for what C: as D: whose
- Living in the central Australian desert has its problems, of which _____ water is not the least.
- 80% of Australian’s population lives in the eastern, central and western areas of the
- Living in the Central American desert has its problems, _____ obtaining water is not the least. A: of which B: for what C: as D: whose
- By the time we got to the hospital, the patient ______ for half an hour. A: died B: had died C: had been dead D: has been dead