下面是王老师在讲历史专题复习时出示的几张图片,据此判断他讲的复习专题应该是( )
A:改革开放
B:祖国统一
C:申奥成功
D:外交成就
—No, I haven't. I prefer running.
⑴____ A. shirt B. skirt C. ship
⑵____ A. chicken B. cheap C. lunch
⑶____ A. three B. math C. this
⑷____ A. these B. feather C. that
人体中枢神经系统包括感受器、传入神经、神经中枢、传出神经、效应器.