注：横线部分可替换

1. ______is now being questioned by more and more people.

______正受到越来越多人的质疑。

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.

尽管许多人认为随着经济的高速发展，用______的人数会减少，______可能会消亡，然而，这几年我收集的一些信息让我相信______仍然会继续在现代社会发挥极其重要的作用。

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.

专家指出：持续增加的污染不仅会导致像全球变暖这样严重的问题，而且还将威胁到人类在这个星球的生存。

4. In view of such serious situation, environmental tools of transportation like ______ are more important than any time before.

考虑到这些严重的状况，我们比以往任何时候更需要像______这样的环保型交通工具。

5. Using ______ contributes greatly to people's physical fitness as well as______

使用______有助于人们的身体健康，并______。考研大趋势

6. Despite many obvious advantages of______, it is not without its problem.

尽管______有许多明显的优点，但是它也存在它的问题。

7. ______is more than just an electronic appliance; it is a means of expression, as well as a vehicle for communication, and as such becomes a powerful tool for reaching other human beings.

______不仅仅是一件电器;它是表达的手段和交流的载体，并因此成为联系他人的有力工具。

8. From what has been discussed above, we may safely draw the conclusion that advantages of ______far outweigh its disadvantages and it will still play essential roles in modern society.

通过以上讨论，我们可以得出结论：______的优点远大于缺点，并且在现代社会它仍将发挥重要作用。

9. There is a general discussion these days ______over in many colleges and institutes. One of the questions under debate is whether ______is______

当前在高校和研究机构对教育存在着大量争论，其中一个问题就是______是否是个______

10. This issue has caused wide public concern.

这个问题已经引起了广泛关注。