中国编辑出版史的主要研究内容和研究任务是？

关于螺旋CT扫描的图像重建方法，描述错误的是（）

A.线性内插效果好，易使用

B.全扫描法是360°收集原始数据，卷积和后投影前不作修正

C.半扫描法是180°加一扇形角，原始数据在靠近扫描的开始部分和结束部分采用不完全加权

D.内插半扫描法利用多余的扇形束原始数据，在原始数据附近的相反方向内插，可减少数据采集角范围到360°加两个扇形角

E.内插全扫描法比外插全扫描法好，原始数据利用率高

下列属于人力资本投资活动的是（）。

A.工作流动

B.业余娱乐活动

C.增进健康

D.加强学龄前儿童营养

E.各级正规教育和在职培训活动

Endless playing of songs like All I want for Christmas in shops during the festive season doesn’t just drive us mad —the songs also make us more careless with our money, research has warned.

While repeated performance of Jingle Bells may seem like an innocent attempt to raise customers’ spirits during the nightmare of Christmas shopping, the songs also have a more delicate impact.

“Background music, or “Muzak”,can be used by marketers to impose cultures ---such as the commercialization of Christmas--- onto consumers and influence their behaviour,” experts said.

Dr. Alan Bradshaw of Royal Holloway, University of London, said, “Festive jingles are force-fed to Christmas shoppers in a bid to change their mood, influence their sense of time and what sort of products they buy. In other words, this is an attempt to control your shopping habits in a way that you might hardly be aware of.”

“Often we are told that we have the freedom to choose where we want to shop, but during Christmas the use of music in this way is so common that our freedom to choose disappears.”

Dr. Bradshaw and Prof Morris Holbrook of Columbia University examined the phenomenon and found that retailers often “dumb down” the music played in shops to relax customers, meaning it is easier to control their behaviour.

It is thought that slowing down the rhythm of music in shops can trick customers into thinking less time has passed, and therefore spend more time examining the shelves, for example.

Some providers of background music have been known to promote their services by claiming they can boost profits by controlling the behaviour of customers.

“A common trick is to take a popular current song and record an instrumental version which can be slowed down or sped up at different time of the day to influence behaviour in different ways,” Dr. Bradshaw said.

Background music is often classed as “Muzak” in honor of the Seattle-based company which began producing its soft-sounding melodies in the 1930s.

小题1:According to Dr. Bradshaw, in what ways does Christmas music influence customers?

①their mood              ②their income

③their sense of time        ④ the sort of products they buy

A．①②③

B．①③④

C．②③④

D．①②④小题2: Shopkeepers slow down the rhythm of music in shops to ___________.

A．let customers spend more time shopping

B．make customers and sales assistants relaxed

C．let customers enjoy the beautiful music

D．help customers find what they really want小题3:What kind of music is now often adapted to influence customers in shops?

A．Classical music

B．Popular modern songs.

C．Folk songs.

D．Jazz music.小题4:What is the best title of the passage?

A．Music makes happy Christmas

B．Christmas “Muzak”

C．How to make Christmas music?

D．Christmas music makes us spend more

可减慢心率、减弱心肌收缩力、减少心排血量、降低血浆肾素活性的降压药物是（）。

A.哌唑嗪

B.卡维地洛

C.引哒帕胺

D.贝那普利

E.氨氯地平

煤的工业分析的内容是：水分、灰分、挥发分、固定碳四项内容，四项内容之和等于100％。