With the population explosion, scientists will have to ______new methods of increasing the world’s food supply. ()
A.lead to
B.come up with
C.carry out
D.stick to
A.lead to
B.come up with
C.carry out
D.stick to
A.as a greater population as that
B.a population greater thain
C.more than a great population as that
D.a greater population than that
Scientists imagine such a change in weather on human population would be ______.
A.terrified
B.surprised
C.horrible
D.frightened
By the year of 2010, the world population probably ______ 6 billion.
A.have reached
B.will be reaching
C.will have reached
D.is reaching
Almost______of the population of this country is literate.
A.ninth-tenths
B.nine-tenth
C.nine-tenths
D.ninth-ten
At the end of the passage the author implies that ______.
A.naturally, the population problem would be solved
B.nature will punish us in the end if we do nothing
C.we can wait until nature solves the problem for us
D.we can't imagine how much we'll have to pay to solve the world population problem
According to the passage, what might be a better way to control population?
A.To estimate the population trend with statistics.
B.To control the size of a family as a whole.
C.To grant more education and rights to women.
D.To decrease women's ability to reproduce.
The population of America is smaller than _____ of our country.
A.those
B.it
C.that
D.this
It took ______ for the world to increase its population from 1 billion to 4 billion.
A) 100 years
B) 145 years
C) 1975 years
D) Over two million years
It took______ for the world to increases its population from 1 billion to 4 billion.
A.100 years
B.145 years
C.1975 years
D.over two million years