垂直型芯的下志头和上志头相比特点是() A.斜度大,高度大 B.斜度小,高度大 C.

题型:单项选择题

问题:

垂直型芯的下志头和上志头相比特点是()

A.斜度大,高度大

B.斜度小,高度大

C.斜度大,高度小

D.斜度小,高度小

考点:机械工程师工程材料工程材料题库
题型:单项选择题

为评价药品安全性,在实验室条件下,用实验系统进行的各类毒性试验应遵循()

A.GMP

B.GAP

C.GCP

D.GLP

E.GSP

题型:单项选择题

阅读理解

     I don't know how I became a writer, but I think it was because of a certain force in me that had to

write and that finally burst through and found a channel. My people were of the working class of people. My father, a stonecutter, was a man with a great respect and veneration (崇敬) for literature. He had a

tremendous(惊人的) memory, and he loved poetry, and the poetry that he loved best was naturally of

the rhetorical kind that such a man would like. Nevertheless it was good poetry, Hamlet's Soliloquy,

Macbeth, Mark Antony's "Funeral Oration", Grey's "Elegy", and all the rest of it. I heard it all as a

child;I memorized and learned it all.

     He sent me to college to the state university. The desire to write, which had been strong during all my

days in high school, grew stronger still. I was editor of the college paper, the college magazine, etc., and

in my last year or two I was a member of a course in play writing which had just been established there.

I wrote several little oneact plays, still thinking I would become a lawyer or a newspaper man, never

daring to believe I could seriously become a writer. Then I went to Harvard, wrote some more plays

there, became obsessed with (着迷于) the idea that I had to be a playwright, left Harvard, had my plays

rejected, and finally in the autumn of 1926, how, why, or in what manner I have never exactly been able

to determine. But probably because the force in me that had to write at length sought out its channel, I

began to write my first book in London. I was living all alone at that time.I had two rooms-a bedroom

and a sitting room-in a litter square in Chelsea in which all the houses had that familiar, smoked brick and

creamyellowplaster look.

1. We may conclude, in regard to the author's development as a writer, that his father________.

A. made an important contribution      

B. insisted that he choose writing as a career

C. opposed his becoming a writer  

D. insisted that he read Hamlet in order to learn how to be a writer

2. The author believes that he became a writer mostly because of________.

A. his special talent        

B. his father's teaching and encouragement

C. his study at Harvard    

D. a hidden urge within him

3. The author________.

A. began to think of becoming a writer at Harvard

B. had always been successful in his writing career

C. went to Harvard to learn to write plays

D. worked as a newspaper man before becoming a writer

4. The author really started on his way to become a writer______.

A. when he was in high school    

B. when he was studying at Harvard

C. when he lived in London      

D. after he entered college

题型:单项选择题

典型心绞痛发作错误的是:()

A.体力活动是常见诱因

B.部位在胸骨中上段,界线清楚

C.疼痛可放射至左肩

D.为压榨性疼痛

E.通常持续3~5min

题型:单项选择题

若把质量管理看作一个连续的过程,那么质量策划、质量控制和质量改进就构成了这一过程最主要的三个阶段,国际知名质量专家()将其称为质量管理三部曲。

A.朱兰

B.戴明

C.石川馨

D.休哈特

题型:单项选择题

国际清算银行的基本宗旨是促进国际货币金融领域合作并为各国中央银行服务,增进成员国中央银行之间的合作______。

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