问题 实验题

小明用图甲所示的装置做“观察水的沸腾”实验.

(1)为了完成实验,还需要的测量器材是 _________

(2)已知水的质量为100g,则水从80℃升高到90℃吸收的热量是 _________ J,此过程水的内能 _________(选填“增大”、“不变”或“减小”)[水的比热容为4.2×103J/(kg·℃)]

(3)下表是实验中他记录的一组数据,由数据可知,水的沸点是 _________℃,根据记录的数据,在图乙中画出水沸腾前后温度随时间变化的图象;

(4)沸腾时,杯口附近出现大量“白气”,“白气”是 _________ 遇冷 _________ (填物态变化名称)形成的.

答案

(1)秒表

(2)4.2×103;增大

(3)98

(4)水蒸气;液化

完形填空

第二节:完形填空(共10小题;每小题1.5分,满分15分)

Do you know the modern Olympic Games? It started in Greece in 11. The Games are held 12 years. Many people 13 the Olympic Games can be held in their own countries.

At first about ten cities are quite 14 in bidding (申办) for the Olympic Games of 2008. Beijing, Toronto and Paris are 15 cities bidding for the Olympic Games of 2008.

The host (东道主) city of the Olympic Games of 2008 was decided at the IOC (国际奥委会) meeting in July, 2001. In those days Beijing was getting ready for it because it 16 became the host of the Olympic Games of 2000.

Then the Chinese people were all very 17 and cheered because the Olympic Games of 2008 will be held in the capital of China and the Olympic Games has 18 been held before in the country.

Now Chinese people are trying their best 19 ready for the Olympic Games of 2008. They are working hard, and they are learning English, too. Many new buildings have been built. So, I’m 20 it must be a successful one.

11.A.1939            B. 1896           C. 1922          D. 2008

12.A. each four        B. every four      C. every few      D. three or four

13.A. like             B. want               C. decide             D. hope

14.A. ready         B. interesting      C. interested      D. join

15.A. more important          B. the most important 

C. more beautiful            D. the most beautiful

16.A. must            B. already        C. nearly          D. also

17.A. excite           B. exciting         C. excited         D. sad

18.A. never           B. ever           C. just            D. yet

19.A. get              B. gets          C. getting          D. to get

20. A. afraid           B. sorry         C. glad            D. sure 

单项选择题 A1/A2型题