贴有上列危险品标志的药品起火时，不能用水灭火的是 A．6剧毒品 B．4遇湿易燃

膝跳反射是一种由脊髓控制的反射，属于非条件反射．______．

男，生后5天，开始吸奶时口张不大，后发生痉挛，痉挛缓解后神志清醒。抗生素首选（）

A．红霉素

B．青霉素

C．卡那霉素

D．庆大霉素

E．先锋霉素

学校教育的特点有哪些

In (85) software, one question of near-universal interest is how rapidly Windows NT, which began shipping last summer, will be (86) in the marketplace and for what uses. For the most part, observers are (87) about the operating system’s long term prospects, but expect it to remain on (88) rather than desktops during 1994, saying that it won’t become a mainstream product until (89) PCs typically have 16 to 24 MB of RAM, which is unlikely to happen next year.

A．applications

B．accepted

C．clients

D．enthusiastic

E．servers

F．desktop

G．systems

H．replaced

距离桥梁、陡坡、隧道50米以内的路段不能停车。