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完形填空 One of the amazing things about the World Wide Web is that anyone can create a 1 page. If people find your page interesting, they will come to 2 it .If lots of  people like your page, then you have created something of value. The whole idea of a TV station is to create a place that attracts lots of people. Then the station's owner can charge companies for 3 on TV.  A web page is like a smart TV station. If yours becomes very popular, then you can 4 ads on it.  That is one form of 'value'. There are other forms as well ,especially for teenagers. A popular page allows 5 to speak to and educate others, gives you a chance to meet people, and opens doors of chances that you might not 6 If you want to create your own page. you have two 7 . You can create a page that says . 'Hi. my name is Suzy and here is a picture of Binky. my cat.  My favorite bands are ...' That is fine. but it is not very interesting to others except your close. The other choice you have is to create a site that other people find 8 . Pick something you enjoy or know a lot about and create the best page on the net about it. The people from all over the world will come to visit your page because you are 9 something of value. (     )1. A. book (     )2. A. cost (     )2. A. watching (     )4. A. buy (     )5. A. me (     )6. A. wait (     )7. A. changes (     )8. A. useful (     )9. A. offering B. magazine B. visit B. performing B. sell B. her B. stay B. choices B. boring B. taking C. newspaper C. spend C. advertising C. borrow C. him C. live C. points C. foolish C. helping D. web D. pick D. playing D. lend D. you D. expect D. views D. big D. reading
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【单选题】糖尿病人尿量增加的原因是
A.
ADH 分泌减少
B.
醛固酮分泌减少
C.
肾小管中溶质浓度升高
D.
血浆晶体渗透压升高
【单选题】表面活性剂结构特点是
A.
含烃基的活性基团
B.
是高分子物质
C.
分子由亲水基团和亲油基团组成
D.
结构中只含有氨基和羟基
【简答题】中国对精细化学品的定义:精细化学品是指()或()的一大类化工产品。
【单选题】糖尿病人尿量增加的原因是
A.
ADH 分泌减少
B.
醛固酮分泌减少
C.
肾小管腔中溶质浓度升高
D.
血浆晶体渗透压升高
E.
血浆胶体渗透压升高
【简答题】精细化学品的定义
【简答题】什么是精细化学品?欧美人定义的精细化学品与我们有何不同?
【单选题】表面活性剂结构特点是
A.
含烃基的活性基团
B.
是高分子物质
C.
分子由亲水基和亲油基组成
D.
结构中含有氨基和羟基
E.
是聚合物
【单选题】表面活性剂结构特点是
A.
含烃基的活性基团
B.
是高分子物质
C.
分子由亲水基团和亲油基团组成
D.
结构中含有氨基和羟基
【简答题】精细化学品的定义
【单选题】表面活性剂结构特点是
A.
含羟基的活性基团
B.
是高分子物质
C.
含羟基的活性基团分子
D.
结构中含有氨基和羟基
E.
由亲水基和亲油基组成
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