问题 填空题

根据下图回答问题.

(1)实验仪器a的名称是                

(2)实验室用装置A制取氧气时,所需药品是   ;收集完氧气时,应进行的操作是          

(3)实验室用装置B和     (填字母序号)制取二氧化碳时,反应的化学方程式为            

(4)用排空气法收集一瓶氧气,验满时将带火星的木条放在瓶口,若观察到      ,说明瓶中已充满氧气.

答案

(1)酒精灯(2)KMnO4;  先撤导管,后撤酒精灯(3)C    CaCO3+2HCl═CaCl2+H2O+CO2

(4)木条复燃

题目分析:(1)a是酒精灯;(2)该装置适合使用加热高锰酸钾制取氧气,收集完氧气时,防止水倒流,应进行的操作是:先撤导管,后撤酒精灯;(3)制取二氧化碳的药品是石灰石和稀盐酸,属于固体和液体在常温下的反应,因此应选用的发生装置是B;因为二氧化碳易溶于水,密度比空气大,故收集装置C(向上排空气法);实验室通常用稀盐酸与大理石(或石灰石)反应制取二氧化碳,碳酸钙与盐酸反应生成氯化钙、水和二氧化碳,反应的方程式:CaCO3+2HCl=CaCl2+H2O+CO2↑;(4)验满氧气的方法是:将带火星的木条放在集气瓶口,若观察到木条复燃,说明瓶中已充满氧气.

选择题
阅读理解

F. Scott Fitzgerald, born on September 24,1896, an American novelist, was once a student of St. Paul Academy, the Newman School and attended Princeton. University for a short while. In 1917 he joined the army and was posted in Alabama, where he met his future wife Zelda Sayre. Then he had to make some money to impress her.

His life with her was full of great happiness, as he wrote in his diary : “ My own happiness in the past often approached such joy that I could share it even with the person dearest to me but had to walk it away in quiet streets and take down parts of it in my diary. ”

This side of paradise, his first novel, was published in 1920. encouraged by its success, Fitzgerald began to devote more time to his writing. Then he continued with the novel the Beautiful and Damned (1922), a collection of short stories Thales of the Jazz Age (1922), and a play The Vegetable (1923). But his greatest success was The Great Gatsby, published in 1925,which quick brought him praise from the literary world. Yet it failed to give him the needed financial security. Then, in 1926, he published another collection lf short stories All the Sad Young Men.

However, Fitzgerald’s problems with his wife Zelda affected his writing. During the 1920s he tried to reorder his life, but failed. By 1930, his wife had her first breakdown and went to a Swiss clinic. During this period he completed novels Tender Is the Night in 1934 and The love of the last Tycoon in 1940.While his wife was in hospital in the United States, he got totally addicted to alcohol. Sheila Graham, his dear friend, helped him fight his alcoholism.

小题1: How many novels written by Fitzgerald are mentioned in the passage ?

A.5

B.6

C.7

D.8小题2:Which of the following is the correct order to describe Fitzgerald’s life according to the passage?

a. He became addicted to drinking.

b. He studied at St. Paul Academy.

c. He published his first novel This Side of Paradise.

d. The Great Gatsby won high praise. 

e. He failed to reorder his life.

f. He joined the army and met Zelda.

A.f-c-e-a-b-d

B.b-e-a-f-c-d

C.f-d-e-c-b-a

D.b-f-c-d-e-a小题3:We can infer from the passage that Fitzgerald           .

A.had made some money when he met Zelda in Alabama.

B.was well educated and well off before he served in the army

C.would have completed more works if his wife hadn’t broken down

D.helped his friend get rid of drinking while his wife was in hospital小题4:The passage is probably followed by a concluding paragraph about_______  .

A.Zelda’s personal life

B.Zelda’s illness and treatment

C.Fitzgerald’s friendship with Graham

D.Fitzgerald’s contributions to the literary (文学的)world