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问题 选择题

一个两位数，个位数字比十位数字大3，个位数字的平方刚好等于这个两位数，则这个两位数是（　　）

A．不存在

B．25

C．36

D．25或36

答案

设个位数字为x，那么十位数字是（x-3），这个两位数是10（x-3）+x，

依题意得x2=10（x-3）+x，∴x2-11x+30=0，

∴x1=5，x2=6，

∴x-3=2或3．

答：这个两位数是25或36．

故选D．

阅读理解

l   Last month, some volunteers from Xi’an went to a middle school in the mountain area. They gave away 40 beds, 2 computers and hundreds of books to the students. The school lies deep in the mountains. Students have to live in the school. But the school was too poor to provide beds for them, so they had to sleep on the desks. Thanks to the volunteers, now the students can sleep on their own beds in the school.
l   The Zapps, from Argentina( 阿根廷), began their tour in their old cars several years ago. They travelled to over 40 countries with four kids. Many people wondered what made them travel around the world. They said, “It’s just oue dream, a big dream, from Argentina to the whole world. Thanks to those who supported us during our journey, our dream came true in the end. “Do you want to see your dream come true?” If so, why not start right away?
l   Jack Tsonis and Lindsay Morrison in Sydney decided to do something special on the UN’s International Day of Peace. They both loved peace. They both wanted to break the world record for the longest handshake to bring more love and peace to the world. To break the world record, they needed to shake hands for over 11 hours without a stop. Finally they make it. Their arms hurt a lot, but they were very happy.
小题1: The volunteer gave away       to the students.
A．beds and computersB．clothes and books
C．desks and bedsD．beds and bags.
小题2: What can we learn from the second story?
A．We can hardly travel around the world if we have an old car.
B．We can travel around the world if nobody helps us.
C．We should realize our dreams if we have lots of money.
D．We should start right away if we want to realize our dream.
小题3: Which is TRUE about the men in the last story?
A．It took them less than 11 hours to break the world record.
B．They were happy though they didn’t break the world record.
C．Both of them loved peace.
D．They often shook hands
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多项选择题

在我国，证券交易所会员享有( )等权利。

A．参加会员大会

B．有选举权和被选举权

C．对证券交易所事务表决权

D．促进交易市场的稳定发展
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