Question

10. Cutting large sections of rainforests may provide a good supply of wood right now,but        it actually reduces the world's wood supply.

   A. as a rule   B. on the whole

   C. in the long run   D. what's more

Answer 1

10. C句意为："砍伐大片的热带雨林可能在眼下为我们提供大量的木材供应，但从长远而言，它实际上会减少世界的木材供应。"in the long ran是一个固定短语，意为"从长远角度而言"，与上文right now相对应。