A:①
B:①②
C:①③④
D:①②③④
Police are now searching for a woman who is reported to ______ since the flood hit the area last Friday .
Anyway,I can't cheat him—it's against all my________.
如图为小华同学在“观察小鱼尾鳍内血液的流动”实验中显微镜下观察到的视野图象,下列说法正确的是( )