简述钩体病感染中毒的临床表现。

一般说来，构成态度的要素包括( )

A．认知

B．情感

C．意图

D．知觉

E．需要

用英语标出下列图画的名称。

       1.                                            2.                                                 3.                       

—Now, we come to this sentence "You'll make it if you try."

—Excuse me, sir. What does "you'll make it" mean?

—Good question! It means you'll ________.[ ]

A. be successful

B. be patient

C. make money

D. make trouble

圣餐中的饼和葡萄酒（或汁）表明什么？

Windows媒体播放器Windows Media Player可播放的媒体文件类型不断增加，但是还无法播放______。

A．AVI

B．WMV

C．MP3

D．RM