注:橫線部分可替換
1. ______is now being questioned by more and more people.
______正受到越來越多人的質疑。
2. Although many people claim that, along with the rapidly economic development, the number of people who use ______are decreasing and ______is bound to die out. The information I've collected over the recent years leads me to believe that ______will continue to play extremely important roles in modern society.
盡管許多人認為隨著經濟的高速發(fā)展,用______的人數會減少,______可能會消亡,然而,這幾年我收集的一些信息讓我相信______仍然會繼續(xù)在現代社會發(fā)揮極其重要的作用。
3. experts point out that increasing______not only causes serious problems such as global warming but also could threaten to end human life on our planet.
專家指出:持續(xù)增加的污染不僅會導致像全球變暖這樣嚴重的問題,而且還將威脅到人類在這個星球的生存。
4. In view of such serious situation, environmental tools of transportation like______are more important than any time before.
考慮到這些嚴重的狀況,我們比以往任何時候更需要像______這樣的環(huán)保型交通工具。
5. Using______contributes greatly to people's physical fitness as well as______
使用______有助于人們的身體健康,并______。