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
第5题
Scientists imagine such a change in weather on human population would be ______.
A.terrified
B.surprised
C.horrible
D.frightened
第6题
The population of cities in developing nations is getting smaller.()
第8题
第10题
which of the following statements is not true about maori population?
A. Maori population makes up nearly one-seventh of New Zealand s total population.
B. Maori population is younger than the total population.
C. Non-Maori women tend to have children earlier than Maori women.
D. Maori women tend to have more children than non-Maori women.