电子商务应用系统由CA安全认证、支付网关、业务应用和______等系统组成。

对实行计划生育的育龄夫妇的技术服务费用是如何规定的？

甲企业（增值税一般纳税人）为白酒生产企业，2013年4月发生以下业务：（1）向某烟酒专卖店销售粮食白酒20吨，开具普通发票，取得含税收入2000000元，另收取优质费500000元。（2）提供100000元（不含税）的原材料委托乙企业加工散装药酒1000千克，收回时向乙企业支付加工费10000元（不含税），乙企业已代收代缴消费税，乙企业无同类消费品的销售价格。（3）委托加工的散装药酒收回后甲企业将其继续加工成瓶装药酒1800瓶，通过其非独立核算门市部以每瓶不含税价格100元全部对外销售。（4）将自产的粮食白酒30吨用于换取生产资料。甲企业该类粮食白酒的平均不含税售价为100000元/吨，最高不含税售价为120000/吨。已知：药酒的消费税税率为10%；粮食白酒消费税的比例税率为20%、定额税率为0.5元/500克。要求：根据上述资料，分析回答下列第1~4小题。

甲企业通过其非独立核算门市部对外销售瓶装药酒时应缴纳消费税（）元。

A.25000

B.18000

C.27000

D.16000

The smartphone has become the centerpiece of many students' digital lives.

Yes, it can be a distraction(困扰，分心), but it is also an incredible tool that can transform classroom learning and late-night studying.

Professors and students are starting to explore what the smartphone can contribute to learning-and there is a whole host of apps（设备） to help that process along. There are also plenty of apps to help students with the less academic parts of college life.

To download any of these apps, search the iTunes App Store or Android Market. iOS apps are built for Apple's mobile platform and can run on the iPhone, iPod Touch or iPad.

Skype

Cost: Free

Platform: Android, BlackBerry, iOS

More and more smartphones now ship with front-facing cameras that make them great video chat tools.

There are several competitors here ---- including Apple's FaceTime ----but Skype is still the best cross-platform tool for keeping in touch with faraway friends and family. Users on either end can be on a computer, smartphone.

Grades 2

Cost: Free

Platform: iOS

This app is a sophisticated tool for calculating grades. Students can use it to figure out what grade they'll need on a test to achieve their target grade and also keeps track of overall GPA, weighted by each class's credit count.

Students can also enter due dates for assignments as reminders.

The app is free and supported by ads, but users can pay $1 inside the app to turn them off.

Snoozerr Recordings

Cost: 99 cents

Platform: iOS

This is a great tool for logging long lecture classes or smaller study sessions(授课时间）． It records audio and pairs that with time-stamped pictures that the student takes of presentations--- say, equations（方程）on a blackboard----or of his or her own notes.

When the student wants to review, he or she can use the pictures as a visual guide to what the instructor was saying and replay that section.

TED

Cost: Free

Platform: iOS

This app is great for the student in everyone. It compiles（编辑）video from hundreds of presentations at technology, entertainment and design----a conference that features short speeches focused on new ways of thinking.

Presenters often speak about technology, social good or education and challenge societal norms.

It's a great way to spend an hour or so hearing from some of the world's leading minds for free. All of the videos are also available at www.ted.com.

AroundMe

Cost: Free

Platform: Android and iOS

This app uses a smartphone's GPS to find nearby locations by category such as banks, gas stations, bars, coffee shops, restaurants and supermarkets---- all the college staples(主要产品).

小题1:In which section of a newspaper could you find this article?

A．Science & Tech.

B．Entertainment.

C．Life.

D．Tourism.小题2:What might be the best title for the text?

A．How to Improve College Students' Studies

B．How to Download Computer Games

C．How to Choose the Latest Smartphone

D．Five Tech Tools for College Students小题3:Many college students use Grades 2 mainly for _____.

A．chatting

B．calculating

C．hearing speeches

D．recording lectures小题4:If you want to use your smartphone to find a nearby supermarket, you should download _____.          .

A．TED

B．AroundMe

C．Skype

D．Grades 2小题5:ios means _____.

A．TED

B．VCS

C．OS

D．ECX

彩色扫描仪的图像类型只有真彩色数据。( )

角色冲突是指在社会角色的扮演中，在角色之间或角色内部发生了矛盾、对立和抵触，妨碍了角色扮演的顺利进行。
根据上述定义，下列描述不属于角色冲突的是( )。

A．忠孝不能两全
B．在华中科技大学2010届本科生毕业典礼上，李培根校长16分钟的演讲《记忆》，被掌声打断30次，全场7700余名学子起立高喊：“根叔!根叔!”
C．张某是一名警察，他抓到正在偷窃的邻居小王，正在为是否送小王到派出所而发愁
D．小张作为一名大一新生，对新生活不适应