【单选题】请阅读Passage 2,完成第小题。 Global warming may or not be the great environmental crisis of the 21st century, but regardless of whether it is or not, we won't do much about it. We will argue over it and may ev...
A.
It may not prove an environmental crisis at all.
B.
It is an issue requiring worldwide commitments.
C.
Serious steps have been taken to avoid or stop it.
D.
Very little will be done to bring it under control.
【单选题】以病人为中心,由责任护士对病人实行8小时在岗24小时负责制的护理工作方式为
【单选题】根据医学资料记载,全球癌症的发病率20世纪下半叶比上半叶增长了近10倍,成为威胁人类生命的第一杀手。这说明20世纪下半叶以高科技为标志的经济迅猛发展所造成的全球性生态失衡是诱发癌症的重要原因。 以下各项,如果是真的,都能削弱上述论证,除了
A.
人类的平均寿命,20世纪初约为30岁,20世纪中叶约为4O岁,目前约为65岁,癌症发病率高的发达国家的人均寿命普遍超过70岁。
B.
20世纪上半叶,人类经历了两次世界大战,大量的青壮年人口死于战争;而20世纪下半叶,世界基本处于和平发展时期。
C.
高科技极大地提高了医疗诊断的准确率和这种准确的医疗诊断在世界范围的覆盖率。
D.
高科技极大地提高了人类预防、早期发现和诊治癌症的能力,有效地延长着癌症病人的生命时间。
E.
从世界范围来看,医学资料的覆盖面和保存完好率,20世纪上半叶大约分别只有20世纪下半叶的50%和70%。
【单选题】Global warming may also give rise to the spread of many infectious diseases.
【单选题】回答下列各题: Global warming may or may not be the great enviromental crisis of the 21st century, but---regardless ofwhether it is or isnt--we wont do much about it. We will argue over it and may even, as a...
A.
It may not prove an environmental crisis at all.
B.
It is an issue requiring worldwide commitments.
C.
Serious steps have been taken to avoid or stop it.
D.
Very little will be done to bring it under control.
【简答题】18世纪70年代,有一位英国医生发现: ①烟囱清洁工中患皮肤癌的人多的让人不可思议。 ②经常洗澡的清洁工比极少洗澡的清洁工得病的几率小的多。 (1)根据这位医生发现的事实推测,导致烟囱清洁工得皮肤癌的原因是____________。 (2)为了验证你的假设,可以进行动物实验,实验处理是:实验组:在动物的皮肤上每天定期涂抹__________;对照组,对动物的皮肤___________。一段时间后检...
【简答题】Global warming may or may not be the great environmental cr of the 21st century, but — regardless of whether it is or isn’t — we won’t do much about it. We will argue over it and may even, as a na...
【单选题】在我国,红色因喜庆而被人喜爱、有人传言称2013年本命年禁红色,红腰带、红绳等一概不能用,认为红色属火,穿红色会破坏五行平衡、从哲学角度看,这种传言属于( )、1唯物主义观点2唯心主义观点3从实际出发4以主观想象代替客观事实
【单选题】Which of the following statements is correct for a nominal risk-free interest rate?
A.
It equals to real risk-free interest rate plus an inflation premium.
B.
It is lower than real risk-free interest rate.
C.
It equals to the interest rate of a Treasury Bill.