皮皮学,免费搜题
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【简答题】
It looks we re on the leading edge of another new technology. This one is unlike many in the past. So many of yesterdays techniques seemed to come from engineers with no idea of what would make life more interesting or easier for the consumer. This time it&39;s different. The technology that provided beeps and booings for thousands of personal computer games and brought animation to children&39;s educational software is invading the desk-tops of Corporate America. Its called Multimedia and it combines work with something everyone enjoys, playing games. Multimedia is usually defined as the combination of computer data. sound. animation (动画片)and video. A typical setup includes a CD-ROM,CD-ROM player, sound equipment and special hardware, which allows the display of sophisticated graphics. Once everything is in place, this is more than a toy technology." What we re seeing is that people are taking technology they already feel comfortable with an audiotape recorder or a video camcorder and they are combining it with the power of the computer. "said Rick Segal, with Microsoft Corp. Companies using the new technology for almost every communication need to be imaginable. Mead Corp, a paper-products company, uses it to publish its annual reports and stock exchange filings, information is put on computer”disk in multimedia versions that include photographs and graphic images such as charts and maps. The use just go on and on. They are as varied as the business themselves. In Atlanta, Georgia,Holiday Inn has created a multimedia training programme.It teaches people how to work at the reception billing and information desks in its hotels. One part of the video includes actual situations of the hotel. With so many companies using it the employee number of multimedia-equipped personal computers is on the rise. It is estimated that there were about 200,000 in 1991. That number rose to one million in 1992. By 1996,predictions are for 4.5 million. The new technology of multimedia is different from many technologies in the past because___. A.we’re on the leading edge of the new technology B.there are beeps and booing C.it makes life more interesting or easier D.the engineers don’t know what to do with the new technology Once everything is in place this is more than a toy technology, it means____.A.that it needs a toy technology to put CD-ROM,CD-ROM player sound equipment and special hardware into a proper order B.that if you put CD-ROM,CD-ROM player, sound equipment and special hardware into a proper order,you need not only toy technology C.that whether it is a toy depends on the technology you need D.that a toy technology can make a better multimedia The exmples given in the passage show____.A.how complex multimedia is B.how people multimedia C.how many users multimedia has D.how multimedia teachers people to use it The number of multimedia equipped personal computer is on the rise,because____.A.it can perform almost everything perfectly B.can produce chairs and maps full of bright colours and fancy drawings C.it is needed by an increasing number of people D.it more useful than slide shows
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举一反三
【单选题】The little gift grasped her mother's arm as she crossed the street.
A.
understood
B.
had a hold over
C.
took hold of
D.
left hold of
【多选题】左冠状动脉
A.
起于主动脉左窦
B.
分为前室间支和旋支
C.
分布于室间隔前1/3
D.
分布于室间隔前2/3
E.
分布于右心室前壁的一部分
【单选题】She had her arm _____ in the accident.
A.
to break
B.
to be broken
C.
broken
D.
breaking
【单选题】The little girl grasped her mother's arm as she crossed the street.
A.
understood
B.
had a hold over
C.
took hold of
D.
left hold of
【单选题】题目1.在北京东单北大街上曾修筑了一座象征中国奇耻大辱的纪念碑是( )
A.
克林德碑
B.
公理战胜碑
C.
保卫和平碑
D.
三大巴牌坊
【单选题】在北京东单北大街上曾修筑了一座象征中国奇耻大辱的纪念碑是( )
A.
克林德碑
B.
公理战胜碑
C.
保卫和平碑
D.
三大巴牌坊
【单选题】男性,39岁。3年来逐渐起病,以气急和浮肿为主要症状,活动时加重,不能平卧伴双下肢浮肿1月。查体:血压145/90mmHg。双肺可闻湿性罗音,心界向两侧增大,心率120次/分,律齐,可闻及舒张期奔马律,心尖部闻及3/6级收缩期杂音,超声动图示:全心增大,室壁运动普遍减弱,心电图;完全左束支传导阻滞。
A.
吸氧、休息等一般性治疗
B.
强心剂
C.
利尿剂
D.
血管扩张剂
E.
介入治疗
【单选题】She had her arm ____ in an accident.
A.
to break
B.
break
C.
breaking
D.
broken
【多选题】患者男,39岁,因“渐进性活动后心悸、气短20年,心前区剧痛24h”来诊。查体:身高182cm,无力体型;T36.5℃,P86次/min,BP180/70mmHg;心尖部闻及收缩期杂音,肺动脉瓣区第二心音亢进,胸骨左缘第3肋间可闻及舒张期杂音;四肢细长,呈典型的蜘蛛指(趾)。应尽快给予的处理方法有()。
A.
尽可能早期手术
B.
带瓣人造血管置换术
C.
冠状动脉造影
D.
冠状动脉移植术
E.
冠状动脉旁路移植术
F.
继续观察病情
【单选题】关于冠心病的症状,不正确的是
A.
在体力劳动、情绪激动或饱餐时,可发生心绞痛
B.
严重者在静息状态,也可发生心绞痛
C.
表现为胸闷、胸骨后压榨样疼痛,向上、向左放射至左肩、左臂等
D.
发生心绞痛时,嘱病人休息或含服硝酸甘油
E.
发生心肌梗死时,出现严重而持久的心绞痛,休息和含服硝酸甘油后缓解
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