1. Eletricity must be generated by the consumption of coal or oil
    发电需要消耗煤或石油.

2. But it remains to be seen whether these measures will have enough impact to slow the rate of removing the forests.
    但是要知道这些措施是否会产生足够的影响来减缓砍伐森林的速度，尚须时日。

3. When Canada took similar measures to protect the supply of herring in the 1970s, the fish eventually recovered.
    加拿大在20世纪70年代也曾采过取类似措施来保护鲱鱼的数量，最终鲱鱼的数量得到了恢复。

4. While natural gas use increases, use of coal as fuel is decreasing.
    随着天然气利用量的增长，煤炭作为燃料的使用量正在减少。

5. This coal cokes well.
    这种煤容易炼成煤炭。

6. The modern city consists of monstrous edifices and of dark narrow streets full of petrol fumes, coal
    现代城市是由大得怕人的大厦和充斥着难闻的汽油味, 煤灰和有毒气体和又阴暗又狭窄的街道所组成,

7. The company envisioned opening the sides of two mountains to extract coal.
    这家公司打算挖开两座山的山坡采煤。

8. These men work underground for 6 hours at a time , mining for coal.
    这些人在地下工作一次挖煤6小时。

9. The government has taken measures to restrain inflation.
    政府已采取措施控制通货膨胀。

10. The substitution of coal for oil is desirable.
    以煤代替石油是可取的。