长沙住房公积金申贷缴存标准是多少？

化学发光免疫分析中直接参与发光反应的标记物主要是（）

A.吖啶酯类标记物

B.三联吡啶钌标记物

C.二氧乙烷标记物

D.鲁米诺标记物

E.碱性磷酸酶标记物

 短文改错(共10小题；每小题1分，满分10分)

此题要求改正所给短文中的错误。对标有题号的每一行作出判断：如无错误，在该行右边横线上画一个勾(√);如有错误(每行只有一个错误)，则按下列情况改正：

此行多一个词：把多余的词用斜线(\\)划掉，在该行右边横线上写出该词，并也用斜线划掉。

此行缺一个词：在缺词处加一个漏字符号(∧)，在该行右边横线上写出该加的词。

此行错一个词：在错的词下画一横线，在该行右边横线上写出改正后的词。

注意：原行没有错的不要改。

One day in the restaurant where I worked,I am serving a

table of four and each person had ordered the different

kind of fish.Three plate were already on the table when

the man closest to me pointing to one plate and asked me

the name of the fish on it.Before I could answer him,he

continued to ask me the name of the fish on another one

plate.I was about to answer him while I noticed that the

last plate on my tray(托盘) began to fall.They fell noisily

to the floor seconds late,spreading its contents on the

carpet.Everyone stared me and I stood there with a red face.     

20个苹果，平均分给6个同学，每人分（   ）个，还多（   ）个。

_______ I see the photo,1 will always think of Mr Li, who once was very strict with us.

A．Now that

B．Even though

C．The first time

D．Every time

完成句子。

1. 她用她的电脑来干什么？

    _______ does she _______ her computer for.

2.下一步我们该做什么？

                   do we do _______?

3.我可以怎样保存文档？ 

   _______ do I save                ?

4.什么叫鼠标？是这个吗？

         _      the mouse? Is this _______?

5.我不用因特网或者发电子邮件。 

   I don't use the _______ _______ send emails.