在等比数列{an}中,a1=8,a4=64,,则公比q为( ) A.2 B.3

题型:选择题

问题:

在等比数列{an}中,a1=8,a4=64,,则公比q为(  )

A.2

B.3

C.4

D.8

考点:等比数列的定义及性质
题型:选择题

任务型阅读。

     Today is a fine day. Mr. Smith and his family are in the park now. On their right, there is a cafe. On their left, there

is a big lake. There is a small hill behind the lake.   Near the lake,   there is a sign.   It says,  " Don't swim in the lake!"

There is a beautiful garden in the middle of the park.   There are many flowers in it. Between the lake and the garden,

there are many tall trees and some small shops.

1.Where are Mr. Smith and his family now?

                                          .

2.Is there a small hill in the park?

                                          

3.What dose a sign near the lake say?

                                          

4.What's in the middle of the park?

                                          

5. Many tall trees and some small shops are         the lake        the garden.(根据短文意思在横线上填上合适的单词,

每空一词)

题型:选择题

按送料方向机针连续两次穿过缝料的间距,称为()

A.线迹

B.线缝

C.针距

D.针缝

题型:选择题

打开非结构单索引文件或非结构复合索引文件使用的命令是 【8】

题型:选择题

在项目实施的整个过程中,强度最大的是()。

A.技术冲突

B.个性冲突

C.进度冲突

D.人力资源冲突

题型:选择题

液压油开始使用时,每()应检查和清理回油过滤器。

A.天

B.班

C.周

D.旬

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