Water is _______ short in many big cities.
running
举一反三
- Why are Boston and Chicago mentioned A: To demonstrate the development of big cities. B: To exemplify cities with and without mass transportation C: To show mass transportation changed many cities. D: To contrast their rate of growth and development.
- Many Americans want to have their homes outside the cities and their jobs in the cities.
- How many cities<br/>will have air quality monitoring systems installed by the end of this<br/>year?() A: 42 cities. B: 220 cities. C: 150 cities. D: 262 cities.
- _____________ (应当注意的是) that pollution has become one of the thorniest problems in many big cities.
- Many years ago, a lot of factories were _______ from big cities to the mountainous areas in case of war.
内容
- 0
First Night is usually celebrated in__________? A: The big cities B: The countryside C: Many places in the U.S.
- 1
Air pollution, together with overpopulation, _______many problems in big cities today. A: are causing B: is causing C: are caused D: is caused
- 2
Smoking is in public places in big cities.
- 3
Today _______ have TV sets in big cities.
- 4
People have to ______ noise pollution in big cities.