问题
填空题
气体受热体积 ，由于密度ρ=m/V，一定质量的气体膨胀后，密度变 。
答案
变大；小。
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气体受热体积 ，由于密度ρ=m/V，一定质量的气体膨胀后，密度变 。
变大；小。
| 完形填空。 | |||
 Today computers are very popular all around the world. Look at the picture. The old people are learning how to __1__ the computer carefully, too. Now thousands of young people like to __2__ to their friends in computer terms (术语). __3__ their grandparents can't __4__ their grandchildren's hi-tech language (语言). So they start to learn something __5__ computers. "I want to know what my __6__ are talking about,"says Grandmother Wang. She is a student at a(n) __7__ school. There are many computer schools __8__ the big city. These old people learn Microsoft Word, Windows and the Internet surfing. But the teaching method (方法) is __9__ . "I have to teach them __10__ and again, "says a computer teacher. | |||
| ( ) 1. A. read ( ) 2. A. talk ( ) 3. A. And ( ) 4. A. think ( ) 5. A. about ( ) 6. A. family ( ) 7. A. computer ( ) 8. A. lots of ( ) 9. A. healthy ( ) 10. A. again | B. send B. listen B. So B. choose B. in B. grandchildren B. middle B. come from B. different B. never | C. look C. get C. Because C. speak C. for C. sisters C. international C. all around C. last C. then | D. use D. say D. But D. tell D. at D. brothers D. English D. a lot of D. well D. next |