Choose the correct option A, B, C or D to complete this passage.
(46) __________ we could bring the world’s population down to about 2 billion, the earth would be able to support all humans, as well as all animals and plants in the wild world, with room to spare for the slow changes of evolution. The quality of life would be (47) __________ for all. With a stabilized population we could begin to solve all of the problems that population growth causes. We must observe a one child policy (48) __________ the world’s population come down to the sustainable number. This would (49) __________ several generations, but the pressures on natural systems can decrease. The environment and nature will have to change radically. Men are the only species (50)__________ are unable to keep themselves in balance by natural processes and will therefore have to use their brain power to achieve a proper balance.
0Câu 46
Choose the correct option A, B, C or D to complete this passage.
A. If
B.Unless
C. Instead
D. Although
Câu 47
Choose the correct option A, B, C or D to complete this passage.
A. decreased
B.raised
C. risen
D. continued
Câu 48
Choose the correct option A, B, C or D to complete this passage.
A. when
B.until
C. so that
D. as
Câu 49
Choose the correct option A, B, C or D to complete this passage.
A. do
B.take
C. get
D. spend
Câu 50
Choose the correct option A, B, C or D to complete this passage.
A. whose
B.that
C. which
D. whom
A.
B.
C.
D.