Not until recently have we realized that the increasing world population may lead to a potential gloomy ____ for humanity: starvation.
举一反三
- Not until recently have we realized that the increasing
- According to the passage, if we go on increasing the population, we will face （）. A: a food shortage B: a crisis C: an overpopulation D: a starvation
- With the population explosion, scientists will have to __ new methods of increasing the world’s food supply. A: lead to B: carry on C: come up with D: stick to
- With the population explosion, scientists will have to _____ new methods of increasing the world’s food supply.
- By the end of this century, the population of the world ______ , and so may the population of the small country. A: will be doubled B: may be double C: will have to be doubled D: may have been doubled