衡量一国农业竞争力的重要指标之一是。

A.农业机械化水平

B.耕地复种指数

C.农产品及其加工品出口占世界贸易量的比重

D.农业产业化水平

If I ruled the world, I would _______ the world ______ everything that is bad.

A．get rid of; by

B．be rid of; by

C．rid; of

D．get rid; of