低渗性脱水病人的尿比重特点是 A．降低 B．先升高后降低 C．先降低后升高 D．基本

用方框中所给单词的适当形式填空。每词限用一次。（5分）

quiet,　 leave ,　  hundred,  health,  mean

小题1:Jim is never _________. He can’t stop talking.
小题2:What does this word ______in Chinese ? Let’s look it up in the dictionary .
小题3:Her daughter is __________ for Hong Kong next Tuesday.
小题4:There are about nine___________ students in our school.
小题5:I’m ______ than most of the kids in my class, because I run every morning .