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问题 单项选择题

下列关于溶胶剂的正确表述是

A．溶胶剂属于热力学稳定体系

B．溶胶剂中加入电解质会产生盐析作用

C．溶胶粒子具有双电层结构

D．ζ电位越大，溶胶剂的稳定性越差

E．溶胶粒子越大，布朗运动越激烈，因而沉降速度越小

答案

参考答案：C

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                               Guitar Player Wanted
Are you a lover of music? Can you play the guitar? Can you sing or dance? Welcome to our Sunshine Rock Band. Please call Mike at 5487-6598 or send an e-mail to sunshine@yahoo.com.
                                    Hot Club
Do you like to play table tennis? Do you want to play it well? Mr. Zhang is a good teacher. You can come here every Saturday afternoon from 2:30 to 5:30.
Telephone: 8665-7868
Address: Room 105, Lantian Hotel
                                 Swimmer Wanted
Can you swim? Do you like children? Can you teach them to swim on Sundays? Come and join us. Call Joe at 8472-9999 for more information.
                                  Summer Job
Do you like to talk with people? Do you like to write stories? Would you like to work for a magazine? Then come and work as a reporter. Please call Kate at 5561-8823.
小题1:You don’t have to be able to do it if you want to join the Sunshine Rock Band. What is it?
A．Playing the guitarB．SingingC．DancingD．Painting
小题2:Who can teach you to play table tennis?
A．MikeB．JoeC．Mr. ZhangD．Kate
小题3:If you want to learn to play table tennis, you can go to Lantian Hotel on______.
A．SaturdaysB．SundaysC．MondaysD．Fridays
小题4:If you want to work as a reporter, you can call________。
A．5487-6598B．8665-7868C．8472-9999D．5561-8823
小题5:The ads may be from___________。
A．a newspaperB．a storybookC．an art bookD．a science book
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单项选择题

If his father could not keep up the payments on the mortgage, his uncle might ______ it for him.

A．redeem

B．amend

C．resemble

D．appeal
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