有一电阻两端加上6 V 电压时,通过的电流为 0.5A ,可知它的电阻为____

题型:填空题

问题:

有一电阻两端加上6 V 电压时,通过的电流为 0.5A ,可知它的电阻为_________,若给它加上18 V的电压,导体中电流为_________,此时导体电阻为________,若导体两端电压为零,导体中电流为_________,导线电阻为_________。

考点:欧姆定律及其应用
题型:填空题

选择供应商的常用方法有:()。

A.考核选择

B.介绍选择

C.委托选择

D.招标选择

题型:填空题

The old lady was suffering from the empty nest syndrome for so long that she felt like to find someone she could talk to her.

A.to find someone to talk

B.finding someone to talk

C.to find someone to talk to

D.finding someone to talk to

题型:填空题

在窗体上画两个文本框,其名称分别为Text1和Text2,然后编写如下程序: Private Sub Form_Load0ShowText1.Text=""Text2.Text=""Text1.SetFocus End Sub Private Sub Text1 Change()Text2.Text=Mid(Text1.Text,8) End Sub 程序运行后,如果在文本框Text1中输入BeijingChina,则在文本框Text2中显示的内容是( )。

A.BeijingChina

B.China

C.Beijing

D.BeijingC

题型:填空题

请先通读下列短文,然后从所给的七个选项中选出能填入空格的最佳选项。

     1_____ One of the best things you can possibly do is to start you own club. It's great fun especially if you

are the sort of person who feels there's never anything to do during the school holidays.   

     The first thing you need to come up with is an idea for your club. What are you interested in? Pets, clothes,

pop music or dancing groups, sports, or making things? 2_____   

     Next you need some friends to be in your club with you. 3_____ All you need is three or four other people

who are interested in the same thing as you.    

     4_____ You should all sit down somewhere together with lots of pieces of paper and write down every name

you can think up. That'll keep you busy for ages.   

     At your first meeting you should make up a rule book. And the first rule should be no grown-ups or little/big

brothers or sisters! The best clubs are always secret!   

     Now you have just about everything you need, except membership cards. These are very important and again

you will spend a lot of time making them. Use a bright thick pen to make a special design. Why not leave some

space for a photo of yourself? 5_____   

     So there you are, get clubbing! Once you get started you'll think of loads of more interesting things to do!

A. That's easy.   

B. The list is endless.   

C. Enjoy your own club!   

D. Invite a designer to join you.   

E. Winter vacation is just around the corner.   

F. Then you need to pick a name for your club.   

G. That will make the membership card really look like it.

题型:填空题

佩里,主要著作有《印度尼西亚的史前巨石文化》(1918)、《太阳之子》(1923)等。在这些著作中,他把“()”理论推进到了荒谬的顶点。

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