坐高／身高的比值最小是出现在（） A.婴儿期 B.童年期 C.青春发育早期 D.青春

牛黄

A British man who ____ to play practical jokes ____ his own humorous art work in four major New York

museums over the last two weeks. [ ]

A. liked; has secretly hung

B. likes; has secretly hung

C. had liked; secretly hung

D. has liked; secretly hung

北京奥运会主题口号______，______年______月______日，中 * * 政治局常委______在工人体育馆郑重宣布。P59

下列各项中属于乙类传染病的是（）

A.流行性脑脊髓膜炎

B.血吸虫病

C.流行性感冒

D.流行性腮腺炎

E.风疹