颈丛阻滞的并发症有() A．误入硬膜外腔 B．误入蛛网膜下腔 C．局麻药中毒 D．

水流密度是指垂直于铸坯方向上单位面积的给水量。

阅读表达 。

     阅读下面的短文并回答问题。(请注意问题后的词数要求)。

〔1〕"Everything happens for the best," my mother said whenever I faced disappointment.

" If you carry on, one day something good will happen. And you'll realize that it wouldn't have happened if not for that previous disappointment."

〔2〕Mother was right, as I discovered after graduating from college in 1932. I had decided to try for a

job in radio, then work my way up to a sports announcer. I went to Chicago and knocked on the door of every station-and got turned down every time.

〔3〕In one studio, a kind lady told me that big stations couldn't risk hiring an inexperienced person. "Go out in the sticks and find a small station that'll give you a chance," she said.

〔4〕I returned home to Dixon, Illinois. While there were no radio-announcing jobs in Dixon, my father

said Montgomery Ward had opened a store and wanted a local athlete to manage its sports department.

Since Dixon was where I had played high school football, I applied. The job sounded just right for me.

But ______           _ .

〔5〕My disappointment must have shown. "Everything happens for the best," Mom reminded me. Dad

offered me the car to job hunt. I tried WOC Radio in Davenport, Iowa. The program director, a

wonderful Scotsman named Peter MacArthur, told me they had already hired an announcer.

〔6〕As I left his office, my frustration boiled over. I asked aloud, "How can a fellow get to be a sports

announcer if he can't get a job in a radio station?"

〔7〕I was waiting for the elevator when I heard MacArthur calling, "What was that you said about

sports? Do you know anything about football?" Then he stood me before a microphone and asked me to

broadcast an imaginary game. I got the job!

〔8〕On my way home, as I have many times since, I thought of my mother's words: …

1. How did the writer discover that his mother was right? ( no more than 10 words )

______________________________________________________________________________

2. Fill in the blank with proper words in paragraph 4 to complete the sentence.

   ( no more than 6 words )

______________________________________________________________________________

3. Why did the writer say ''My disappointment must have shown'' in paragraph 5?

   Find details to support your idea.  ( no more than 20 words )

______________________________________________________________________________

4. Translate the underlined sentence in paragraph 1 into Chinese.

______________________________________________________________________________

5. What can you learn from the passage? (no more than 30 words)

______________________________________________________________________________

地铁车辆每（）个-A*B*C=三节车构成一个独立的动力单元。

A、一 

B、二 

C、三 

D、四

燃气的平均密度与相同状态下的（）平均密度之比称为燃气的相对密度

A、水

B、空气

C、氢气

D、氮气

邮政法规定，用户对投诉处理结果不满意的，可以向邮政管理部门申诉，邮政管理部门的答复期限要求是什么？