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1. We will inform you of the result _______the program is approved by the board. (2016-06)a. in order that c. even thoughb. as if d. as soon as2. Some small businesses have neither the time ______the resources to compete with these big businesses. (2016-06)a. or b. nor c. and d. but3. The bank clerk listened carefully _____he could discover exactly what the client wanted. (2014-06)a. in case that c. so thatb. now that d. provided that4._________you choose to contact us, you can expect our efficient and helpful service.a. No sooner than b. No matter howc. Ever since 既然d. Even though5. Online retailers could track not only what customers bought, ________ what else they looked at. (2018-12)A. so that B. and thus C. rather than D. but also6. __________ most students own a smartphone, the school does not allow them to use it in the classroom.A. Eventough B. In case假如C. Now that既然D. If only如果……就好了7. Before you think about asking for a promotion, make sure that either a position opening exists ______ a new position is needed to be created. (2017-06)A) and B) nor C) or D) but8. The presentation of your product is so important ______ it often determines whether a customer buys from you. (2016-12)A) than B) that C) unless D) if9. _______ you’re looking for your first job or planning to switch to a new career, searching for a job can be a big challenge. (2015-06)A) Whether B) Which C) Both D) Neither

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第一台电子计算机诞生是为了______。

A. 科学计算
B. 数据处理
C. 过程控制
D. 信息网络化

下面______不属于数值计算要研究的领域。

A. 地震预测
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C. 航天技术
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对于计算机求解线性方程组描述正确的是______。

A. n个未知数的方程组如果有n个方程就可以求出一个解
B. 有直接法和迭代法
C. 只能用直接法求解
D. 只能用迭代法求解

关于插值与拟合描述正确的是______。

A. 插值函数体现了对所有数据点较好的整体性
B. 拟合函数体现了对所有数据点较好的整体性
C. 插值函数不必经过数据点
D. 拟合函数必须经过数据点

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