用显微镜观察血涂片，在同一视野中所见到数目最多的细胞是[ ]
A．白细胞
B．红细胞
C．血小板
D．淋巴细胞
答案：B
下列哪一种传染性疾病在康复期会出现角膜浑浊（）
A.犬瘟热
B.犬细小病毒病
C.犬传染性肝炎
D.犬白血病
E.以上都不是
Usually people in Japan and Korea bow when they meet for the first time. [ ]
A. supposed
B. are supposed
C. are supposed to
D. suppose
