细菌性痢疾患者粪便镜检不应有（）
A.白细胞
B.红细胞
C.巨噬细胞
D.阿米巴滋养体
E.肠黏膜
参考答案：D
—The examination was very easy.
—______, our monitor didn’t pass it.
A．Inotherwords
B．What’smore
C．Believeitornot
D．That’s right
Having much to do，________．
A．so let’s finish at it at home
B．the tour should be put off
C．but we should still take the tour
D．we have to stay at home
