3 . 电视和电灯等电器可以自动开关。
Electric appliances like TV sets and lights can ________________.

4 . 正如图表中的数据所示，由于现代技术，学生有很多方法来提高他们的英语。
________________, thanks to modern technology, a wide range of ways are available for students to polish their English.

6 . 垃圾污染的问题变得如此严重，世界上许多城市现在都被垃圾包围。
The problem of garbage pollution is getting so serious that many cities around the world________________．

8 . 虽然人类可以在几天内到达月球，但要穿越极其危险的太阳辐射到达火星则需要耗时数月。
________________ within days, ________________ Mars, travelling through dangerous solar radiation.

9 . 我们看到越来越多的古建筑正在被破坏或拆除。(感官动词＋宾语＋宾语补足语)
We ________________________ or pulled down.

10 . 应制定污染标准以减少空气中的毒物。
________________ in the air.