The two goals of an operation system are（）

发布时间：2017-04-15 21:56 │ 来源：www.tikuol.com

题型：单项选择题

问题：

The two goals of an operation system are（）and efficiency.

A．convenience

B．quick

C．optimize

D．standardize

考点：计算机软件水平考试初级程序员初级程序员2009上半年上午试题

题型：单项选择题

阅读短文，从每题所给选项中选出可以填入空白处的最佳选项。

     Do you often think of your parents? You may say, "Of course, I __1__. I often buy presents __2__ my mother and my father on some important days."
     Here's a story about my friend. She works in a big city. She is very busy. So she doesn't have time
__3__ her parents. But she often calls her parents. Every time, she dials (拨) the number, but then she puts
down the telephone. __4__five minutes, she dials the number again.
     Later, I ask, "Why do you dial the number __5__ ?" She smiles, "My parents are __6__ and slow. They
can't get to the telephone quickly. I always do so when I call them. I only want to give them __7__ to
answer the telephone.
     My friend is a good girl. She is always __8__ of her parents. You also want to be a __9__ child, right?
Please always remember (记住) to __10__ your parents in every situation (在各种情况), not just on
some important days.

( )1. A. will
( )2. A. to
( )3. A. to visit
( )4. A. For
( )5. A. twice
( )6. A. young
( )7. A. time enough
( )8. A. think
( )9. A. well
( )10. A. call

B. do
B. for
B. visiting
B. After
B. a twice
B. clever
B. enough times
B. thinks
B. good
B. love

C. won't
C. on
C. visit
C. Before
C. second
C. old
C. times enough
C. thinking
C. clever
C. meet

D. don't
D. at
D. visits
D. When
D. the second
D. late
D. enough time
D. to think
D. bad
D. hear

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题型：单项选择题

若抛物线y=x²-2x+c与y轴的交点为（0，-3），则下列说法不正确的是（）

A．抛物线开口向上
B．抛物线的对称轴是直线x=1
C．当x=1时，y的最大值为-4
D．抛物线与x轴的交点坐标为（-1，0），（3，0）

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题型：单项选择题

整批备料适合（）。

A.整箱入库零星出库的商品

B.零星入库整箱出库的商品

C.整批入库整批出库的商品

D.整批入库零星出库的商品

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题型：单项选择题

吊装防喷器时必须使用标准绳套，35MPa以上大型防喷器往井口吊送时应使用四根直径（）mm长度适宜的绳套进行作业。

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题型：单项选择题

德国科学家魏格纳提出了大陆漂移说，下列是不同时期的大陆分布示意图，读图回答下列各题。

以上哪一幅图表示的是现代大陆的分布状况？（）

A.①

B.②

C.③

D.④

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