西安事变发生后,应对时局的方案较多,正确的是[ ]
A.蒋介石发动内战,必须处死
B.长期关押蒋介石
C.逼蒋介石下野,长期寓居海外
D.和平解决,共同抗日
答案:D
Children's Day is _________.[ ]
A. May first
B. September tenth
C. June first
D. January first
害虫综合治理是指什么?