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阅读 Hawking, a Disabled Man, a Great Scientist Stephen Hawking’s parents lived in London where his father was undertaking(从事)research into medicine.However, London was a dangerous place during World War II and Stephen’s mother was sent to the safer town of Oxford where Stephen was born.The family were soon back together living in Highgate, north London, where Stephen began his schooling. Hawking wanted to specialise in mathematics in his last couple of years at school where his mathematics teacher had inspired him to study the subject. In March 1959 Hawking took the scholarship(奖学金)examinations with the aim of studying natural sciences at Oxford.He was awarded a scholarship, despite feeling that he had performed badly, and at University College he specialised in physics in his natural sciences degree. From Oxford, Hawking moved to Cambridge to take up research in general relativity and cosmology(宇宙论), a difficult area for someone with only a little mathematical background.Hawking had noticed that he was becoming rather clumsy(笨拙的)during his last year at Oxford and, when he returned home for Christmas in 1962 at the end of his first term at Cambridge, his mother persuaded him to see a doctor. In early 1963 he spent two weeks having tests in hospital and motor neurone(神经细胞)disease was diagnosed(诊断).His condition became worse quickly and the doctors predicted that he would not live long enough to complete his doctorate(博士学位). Although there seemed to be a cloud hanging over his future, he found, to his surprise, that he was enjoying life present more than before.He began to make progress with his research. The reason why his research progressed was that he met a girl he wanted to marry and realised he had to complete his doctorate to get a job. Between 1965 and 1970 Hawking worked on singularities in the theory of general relativity, devising(设计)new mathematical techniques to study this area of cosmology.From 1970 Hawking began to apply his previous ideas to the study of black holes. Another remarkable achievement of Hawking’s using these techniques was his no boundary(边界)proposal made in 1983 with Jim Hartle of Santa Barbara. In 1982 Hawking decided to write a popular book on cosmology.By 1984 he had produced a first draft of A Brief History of Time.However, Hawking was to suffer a further illness-pneumonia(肺炎).An operation saved his life but took away his voice. Hawking was given a computer system to enable him to have an electronic voice.It was with these difficulties that he revised(修订)the draft of A Brief History of Time which was published in 1988.The book broke sales records in a way that it would have been hard to predict.By May 1995 it had been in The Sunday Times best-sellers list for 237 weeks breaking the previous record of 184 weeks. True or False: (1) At the Oxford, Hawking got pneumonia. ( ) (2) Hawking was born in London. ( ) (3) Hawking was born disabled. ( ) (4) Hawking’s book-A Brief History of Time is a best seller. ( )
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【单选题】在求职面试中,对于仪表的要求正确的是( )
A.
可以化浓妆    整洁、大方    不修边幅    穿着刻板
B.
整洁、大方
C.
不修边幅
D.
穿着刻板
【简答题】设一个装置的寿命长度当0<t<t 0 时,具有常数失效率C 0 ,而在t≥t 0 时,具有另一个常数失效率C 1 ,试求失效时间T的概率密度.
【单选题】初次免疫应答的特点是
A.
抗原提呈细胞是 B 细胞
B.
抗体产生慢,维持时间短
C.
抗体效价较高
D.
所需抗原浓度低
E.
TI 抗原可引起初次和再次免疫应答
【单选题】初次免疫应答的特点是
A.
产生的抗体亲和力高
B.
抗体产生慢,诱导期长
C.
抗体滴度较高
D.
产生的抗体主要是IgG
E.
抗体产生维持时间长
【单选题】设计T形梁时,当中和轴位于翼缘内时,按( )设计。
A.
T形截面
B.
受压构件
C.
宽度为梁助宽b的矩形截面
D.
宽度为翼缘计算宽度的矩形截面
【单选题】初次免疫应答的特点是:
A.
抗原呈递细胞是B细胞
B.
抗体产生慢,维持时间短
C.
抗体滴度较高
D.
所需抗原浓度低
E.
TI抗原可引起初次和再次免疫应答
【多选题】【例题·多选题】下列各项中,属于工业企业营业收入的有( )。(2017年)
A.
债权投资的利息收入
B.
出租无形资产的租金收入
C.
销售产品取得的收入
D.
出售无形资产的净收益
【多选题】中外合资企业中( )界定为国有资产。
A.
中方职工的工资差额
B.
企业根据中国法律规定按中方工资总额一定比例提取的中方职工的住房补贴基金
C.
企业清算或完全解散时,馈赠或无偿留给中方继续使用的各项资产
D.
从税后利润中提取的各项基金中中方按投资比例所占有的份额,包括已提取用于职工奖励、福利等分配给个人消费的基金
E.
企业注册资本增加,按双方协议,中方以分得利润向企业再投资或优先购买另一方股份的投资活动中所形成的资产
【单选题】【例题·单选题】下列各项中,属于企业收入的是( )。(2017年改编)
A.
出租固定资产取得的租金
B.
接受捐赠取得的现金
C.
出售无形资产取得的净收益
D.
股权投资取得的现金股利
【单选题】初次免疫应答的特点是
A.
抗原提呈细胞是Bm
B.
抗体产生慢,维持时间短
C.
抗体效价较高
D.
所需抗原浓度低
E.
TI抗原可引起初次和再次免疫应答
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