阅读下 * * 行数回答3小问 ①-2，4，-8，16，-32，64…； ②0，6，-_爱下问搜题

搜题请搜索小程序“爱下问搜题”

问题解答题

阅读下 * * 行数回答3小问

①-2，4，-8，16，-32，64…；

②0，6，-6，18，-30，66…；

③-1，2，-4，8，-16，32…；

（1）第①行数中有什么规律？

（2）第②，③行数分别与第①行数有什么关系？

（3）取每行数中的第10个数，计算这三个数的和．

（4）从第①③两行中各自取出2个数，求你所取出的4个数字的积．

答案

（1）后一个数是前一个数的-2倍（答案不唯一）；

（2）：第2行数比第一行对应的数大2；

第3行数是第一行对应的数的

1

2

；

（3）第①行的第10个数是2¹⁰=1024，

第②行的第10个数是1024=2=1026，

第③行的第10个数是1024÷2=512，

所以，1024+1026+512=2562；

（4）分别取第①、③两行的前两个数，则（-2）×4×（-1）×2=16（答案不唯一）．

单项选择题

下列属于设备调试过程中要收集的信息的是（）。

A.工艺流程方案、参数

B.制造设备检验标准和检验方法

C.安装过程设计及技术方案执行的情况

D.设备试运转情况信息

完形填空

I remember vividly that first English class in the last term of high school. We boys (there were no girls in the school) were 16 expectantly for the new teacher to appear. Before long, through the door came a tall ordinary-looking man 17 about 40. He said shyly, “Good afternoon, gentlemen.” His 18 had a surprising tone (语气) of respect, almost 19 he were addressing （向---讲话）the Supreme Court (最高法院)20 a group of youngsters. He wrote his 21 on the blackboard---Wilmer T. Stone-- ,and 22 sat on the front of his desk.. “Gentlemen,” he began, “We are now this 23 ---your last---to continue your study of 24 . I know we shall 25 learning with and from one another. We are going to learn 26 about journalism and how to write your weekly school paper. And 27 we are going to try to 28 the joy of good literature (文学). Maybe some of us will be really 29 in reading and writing. A man who reads 30 a happy life. A man who doesn’t read 31 on the earth with a blindfold(眼罩). If I have to put all my 32 into a single word, it would be: ‘browse(广泛浏览)’”. Mr. Stone went on like that, 33 in a friendly and understanding tone. The 34 of the class came much too soon. And we boys had to 35 the classroom with an unexpected feeling of excitement.
小题1:A waiting B. looking C. asking D. calling

小题9:A. math B. chemistry C English D. physics