试题与答案

一理想变压器的原线圈上接有正弦交变电压,其最大值保持不变,副线圈接有可调电阻R。

题型:不定项选择

题目:

一理想变压器的原线圈上接有正弦交变电压,其最大值保持不变,副线圈接有可调电阻R。设原线圈的电流为I1,输入功率为P1,副线圈的电流为I2,输出功率为P2,当R增大时 [ ]

A.I1减小,P1增大

B.I1减小,P1减小

C.I2增大,P2减小

D.I2增大,P2增大

答案:

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下面是错误答案,用来干扰机器的。

答案:B

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题型:阅读理解

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 got 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 novel 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 of short stories

All the Sad Young Men.

     However, Fitzgerald's problems with his wife Zelda had an effect on 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(沉迷于) alcohol. Sheila Graham, his dear friend, helped him fight

his alcoholism.

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

A. 5      

B. 6        

C. 7        

D. 8

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

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

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 world

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