安全电压交流有效值为（）。 A.24V B.36V C.48V D.50V

阅读表达

阅读下面的短文,并根据短文后的要求答题.

     [1]Perhaps you are an average student with average intelligence.However,you can receive better

grades if you want.Yes,even students with average intelligence can be top students without additional

work.Here's how:

    [2]Plan your time carefully.Make a list of your weekly tasks.Then make a schedule of your time.Be sure to set aside enough time to complete your normal reading and work assignments.Of course,studying

shouldn't occupy all of the free time on the schedule.

    [3]Make good use of your time in class.Listening to what the teacher says in class means less work l

ater.Take notes to help you remember what the teacher says.

    [4]Skim before you read.Look over a passage quickly before you begin to read it more carefully.As

you preview the material,you get some idea of the content and how it is organized.Later when you begin to read you will recognize less important material and you may skip some of these portions.Skimming helps

double your reading speed and improve you comprehension as well.

    [5]_____,Go over your notes as soon as you can after class.Review important points mentioned in class as well as points you remain confused.If you know what the teacher will discuss the next day,skim and

read that material,too.If you review your notes and textbook regularly,the material will become more

meaningful and you will remember it longer.Regular review leads to improved performance on tests.

    [6]Develop a good attitude towards tests.The purpose of a test is to show what you have learned about a subject.The word won't end if you don't pass a test,so don't worry excessively about a single test.

    [7]There are other techniques that might help you with your studying.Improving your studying habits will

improve your grades.

1.What's the main idea of the passage?(no more than 8 words)

____________________________________________________________________

2.What should you do if you fail a test?(no more than 4 words)

____________________________________________________________________

3.Please fill in the blank in the fifth paragraph with proper words.(no more than 4 words)

____________________________________________________________________

4.According to the passage,how can an average student improve his/her grades?(no more than 6 words)

____________________________________________________________________

5.What does the word "it"(line 4,paragraph 5)probably refer to?(no more than 3 words)

____________________________________________________________________

施工企业起重机械使用单位根据本措施中企业起重机械资料管理要求留存的记录资料外，至少还应具有以下管理资料：变换工况记录、（）、交接班记录、操作和维护人员变更记录；测量仪器台账、测量仪器使用规程等

根据《合同法》规定，订立合同应遵循以下基本原则（）

A.当事人法律地位平等

B.自愿的原则

C.公平的原则

D.诚实信用的原则

某高中教师孙某旷工给学校教学工作造成一定损失，依照《中华人民共和国教师法》，学校可依法（）。

A.给予孙某行政处分

B.给予孙某行政处罚

C.取消孙某教师资格

D.给予孙某罚款处理

多采用PES形式描述的护理诊断是（）

A．现存的护理诊断

B．“有……危险”的护理诊断

C．健康的护理诊断

D．合作性问题

E．潜在并发症