The boy in brown is your neighbor, Ted, he? [ ]
A.doesn't
B.don't
C.isn't
D.aren't
答案:C
一个人在目标抉择时应该选择的目标是一步到位的长期目标而不能是短期目标。
针对以下中毒有特效解毒药的是()
A.亚硝酸盐
B.海洛因
C.氰化物
D.百草枯
E.有机磷