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

2. By way of contrast oil can be transported large distance by pipeline.
    不同的是, 石油可以用输油管远距离输送.

3. But we do not need to send men down to get the oil out, as we must with other mineral deposits.
    但是，我们不必像开采其他矿藏那样，把人送到地下去把石油取出。

4. Because of this, we kept looking back, wondering if we were leaving a trail of oil and petrol behind us.
    因此，我们不时地掉过头，怀疑车后是否留下了机油和汽油的痕迹。

5. When it has been decided where we are going to drill, we put up at the surface an oil derrick.
    当钻孔地点决定后, 我们就在那块地面上坚起一个井架.

6. Which genus does this plant belong to?
    这种植物属于哪个属?

7. We endeavour to avoid the old, romantic idea of a gusher, which wastes oil and gas.
    我们力图避免那种有关喷油井的陈旧的, 不切实际的计划, 这种计划浪费油和天然气.

8. Water the plant regularly to keep the soil moist.
    按时给植物浇水以保持土壤湿润.

9. When farmer spray poison to kill plant pests, poison is sent into the air the water and the soil.
    农民为了杀死害虫而喷撒农药的时候,有毒物就被排放到空气中, 水里和土壤里.

10. We plant trees every year.
    我们每年都植树.