下列有关特异性免疫的叙述中，正确的是（） A.一个效应T细胞可以识别多种抗原 B.浆

—Do you like tea or coffee?     —Coffee. I prefer coffee __________ milk.

A．to

B．with

C．of

D．in

学前儿童患肥胖症有什么危害？

宁夏沙湖旅游景区是中国第一个具有沙漠生态特点并取得良好治沙成果的自然保护区。

测量汽缸直径，可将量缸表放入汽缸上部，若表针能转动（）圈左右表示调整合适。

A.一

B.二

C.三

D.四

Originally introduced by Netscape Communications, (48) are a general mechanism which HTTP Server side applications, such as CGI (49) , can use to both store and retrieve information on the HTTP (50) side of the connection. Basically, Cookies can be used to compensate for the (51) nature of HTTE The addition of a simple, persistent, client-side state significantly extends the capabilities of WWW-based (52) .

48（）

A.Browsers 

B.Cookies 

C.Connections 

D.Scripts