计算机鼠标器是一种()。A.外存储器  B.输出设置  C.输入设备

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问题:

计算机鼠标器是一种()。

A.外存储器 

B.输出设置 

C.输入设备

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题型:单项选择题

下列物 质中,所有原子一定都在同一平面的是(   )

A.丙烯

B.苯乙烯

C.乙炔

D.氯乙烷

题型:单项选择题

阅读理解。

     The first day of school we were interested to get to know a new classmate. I looked around when a gentle

hand touched my shoulder. I found a little old lady with a warm smile.

     She said, "Hi! I'm Rose. I'm 87 years old. Can I give you a hug?" I laughed and I heartily responded, "Of

course!"

     "Why are you in college at such a young, innocent (天真无邪的) age?" I asked.

     She jokingly replied, "I'm here to meet a rich husband, get married, have children, and then travel around." 

     "Not seriously," I asked. I was curious why she took on this challenge at this age.

     "I always dreamed of having a college education and now I'm getting one!" she told me. We became instant

friends.

     Over the year, Rose became a campus icon (偶像) and she easily made friends wherever she went. She

loved to dress up and she enjoyed the attention from the other students.

     At the end of the semester, we invited Rose to speak at our football banquet. I'll never forget what she

taught us.

     "We do not stop playing because we are old; we grow old because we stop playing. Here are the secrets to

staying young. You have to laugh and find humor every day. You've got to have a dream. When you lose your

dreams, you die. Unfortunately we have many people like this walking around?" she said.

     "There is a huge difference between growing older and growing up. Anybody can grow older. That doesn't

take any talent or ability," she added. "But growing up requires finding the opportunity in change. Have no

regrets. The elderly usually don't regret what they did, but rather things they did not do."

     One week after graduation that year, Rose died peacefully in her sleep. She taught us by example that _____.

1. Why was Rose in college at 87? Because _____. [ ]

A. she wanted to meet a rich husband

B. she wanted to get married and have children

C. she wanted to travel around

D. she dreamed of having a college education

2. According to the passage, Rose loved to do the following EXCEPT _____. [ ]

A. dress up

B. enjoy the attention from the other students

C. play football

D. make friends

3. According to what Rose said,we can know that to stay young you must not _____. [ ]

A. laugh

B. be humorous

C. have a dream

D. lose your dream

4. According to the last paragraph but one we know _____. [ ]

A. growing older is quite different from growing up

B. growing older needs talent

C. growing up doesn't require ability

D. the elderly usually have no regrets

5. Which of the following can be used to fill in the blank at the end of the passage? [ ]

A. where there is a will, there's a way

B. never too late to learn

C. Study hard and you will be young

D. never too late to be all you can possibly be

题型:单项选择题

急性胰腺炎时淀粉酶的意义()

A.淀粉酶持续升高提示有并发症可能

B.淀粉酶的高低与病情轻重不一定成正比

C.淀粉酶下降后又升高说明病情有反复

D.淀粉酶不高,说明不是胰腺炎

E.淀粉酶对诊断胰腺炎有特殊重要的意义

题型:单项选择题

思维能力强的人,语言能力一定也强。()

题型:单项选择题

试述施工、维修作业应如何实施?

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