【C17】A．redeemedB．restoredC．recoveredD．reclaimed

【C17】A．freedomB．freeC．somethingD．money

In cleaning up an oil spill, the use of straw or reclaimed paper fibers would be an exampl

I hired a carpenter to help me______ an old farmhouse.A．recoverB．restoreC．regainD．reclaim

【C19】A．retrievedB．restoredC．repelledD．retained

Details of the murder were by the local paper.A) resumedB) restoredC) recoveredD) reve

具有怎样结构的甾体激素类药物可用四氮唑比色法测定（)。A C17－a－甲酮基B C17－a－ 醇酮基C C20 －