根据短文内容和首字母提示填空。 The Internet has become

题型:填空题

问题:

根据短文内容和首字母提示填空。

    The Internet has become part of people's life. A report (1)s             that 38% of the students often

use the Internet. Most of them get useful (2)i             and use the Internet to help their studies. But many

students don't use it in a good way. Some (3)p             games too much, some visit websites they should

not look at. So bad things may happen if students (4)s             too much time on the Internet. 

    It's important for students to use the Internet in a good (5)w            . Now we have textbooks which

use many examples to teach students how to (6)u             the Internet well. They give useful advice, such

as it's good to (7)r            news or find helpful information to study. Some students also (8)m            friends

on the Internet. But if you want to have a face-to-face meeting (9)w            your online friends, let your

parents know and meet in a (10)s            place.

考点:科教类阅读
题型:填空题

施工准备阶段的收尾过程指的是()

A.设计图、规划许可

B.上报开工报告,申领施工许可

C.施工招标

D.编制建设准别工作计划

题型:填空题

称取1.000g含铁试样,以重铬酸钾法测定铁含量,要使滴定管读出的毫升数刚好等于试样中铁的百分含量,重铬酸钾标准滴定溶液的浓度应为多少?(K2Cr2O7的相对分子质量为294.18,Fe的相对原子质量为55.85)?

题型:填空题

在机械式系统中,企业设计的原则是( )。

A.自动调节
B.层次控制
C.战略制定
D.成本最低

题型:填空题

关于安全生产许可证有效期的说法,正确的有()。

A.安全生产许可证的有效期为3年

B.施工企业应当向原安全生产许可证颁发管理机关办理延课手续

C.安全生产许可证有效期满需要延期的,施工企业应当于期满前1个月办理延期手续

D.施工企业在安全生产许可证有效期内,严格遵守有关安全生产的法律法规,未发生死亡事故的,安全生产许可证有效期届满时,自动延期

E.安全生产许可证有效期延期3年

题型:填空题

按照编制程序和用途,建筑工程定额分为()。

A.人工定额、材料消耗定额、施工机械台班使用定额

B.施工定额、预算定额、概算定额、概算定额、概算指标、估算指标

C.国家定额、行业定额、地区定额、企业定额

D.建筑工程定额、设备安装工程定额、建筑安装工程费用定额、工程建设其他费用定额及工具、器具定额

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