题目内容:
FedsclaimedthattheirspendingonWestNilecontrolwas
A.worthwhileinthelongrun. B.liabletocontinueregardlessofthegreatcost.
C.boundtosettletheproblemonceandforall.
D.wastefulinviewofthefewvictimsofthedisease.
参考答案:
答案解析: