下列说法正确的是（ ）．
A．符号不同的两个数互为相反数
B．零的绝对值是它本身
C．一个数的绝对值一定是它本身
D．在有理数中，没有绝对值最小的数
答案：B
A．符号不同、绝对值相等的两个数互为相反数，故本选项错误；
B．零的绝对值是它本身，本选项正确；
C．负数的绝对值是它的相反数，故本选项错误；
D．在有理数中，0是绝对值最小的数，故本选项错误；
故选B.
| 阅读理解。 | ||||
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| 1. If you like travelling by train, you can go to ______. | ||||
| A. Summer School in France B. Summer in Australia C. Holiday Programmes in Germany D. British Study Tours | ||||
| 2. If you want to improve your English, which programmes will you choose? | ||||
| A. Holiday Programmes in Germany and British Study Tours. B. Summer in Australia and Summer School in France. C. British Study Tours and Summer in Australia. D. Summer School in France and Holiday Programmes in Germany. | ||||
| 3. "Summer School in France" is different from the others in that _____. | ||||
| A. You can go at any time of the year B. You can stay with a local family C. You can go at any age D. You can do sports | ||||
| 4. This passage was written to _____. | ||||
| A. encourage people to have a holiday B. introduce some beautiful places C. ask people to study foreign languages D. attract people to take part in their programmes |