早晨起来锻炼的李老师在阳光的照射下,发现影子在自己的右侧,则可以判断他此时的跑步方向是( )。
由北向南
乡、镇动物防疫监督所主要承担()服务职能。
A.动物防疫
B.动物检疫
C.公益性技术推广
D.诊疗
-—Are the two girls your cousins?
—_____. They are my sisters. [ ]
A. Yes, they are
B. No, they aren't
C. No, she isn't
D. Yes, she is