试述端粒假说。

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问题:

试述端粒假说。

考点:临床医学检验分子生物学检验技术分子生物学检验技术题库
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某甲贩运假烟,驾车路过一检查站时,被工商部门拦住检查,检查人员朱某正登车检查时,甲突然发动汽车夺路而逃,朱抓住汽车把手不放,甲为摆脱朱某,在疾驶后突然急刹车,朱某被摔在地,头部着地死亡。甲对朱某死亡的心理态度是

A.直接故意

B.间接故意

C.过于自信的过失

D.疏忽大意的过失

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种子园的区划包括()

A、种子园

B、子代林

C、道路

D、防火林

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If you look for a book as a present for a child. You will be spoiled for choice even in a year there is no new Harry Patten J.K Powling’s wizard is not alone the past decade has been a harvest for good children’s books, which has set off a large quantity of films and an increased sales of classics such as The lard of the Rings.

Yet despite that , reading is increasingly unpopular among children. According to statistics in 1997 23% said they didn’t like reading in all. In 2003, 35% did . And around 6% of children leave primary school each year unable to read properly.

Maybe the decline is caused by the increasing availability of computes games. Maybe the books boom has affected only the top of the educational pile. Either way, Chancellor Cordon Brown plans to change things for the bottom of the class. In his pre-budget report, he announced the national project of Reading Recovery to help the children struggling most.

Reading Recovery is wined at six year olds, who receive four months of individual daily half-hour classes with a specially trained teacher. An evaluation either this year reported that children on the school made 20 months’ progress in just one year, whereas similarly weak readers without special help made just five months’ progress, and so ended the year even further below the level expected for their age.    

International research tends to find that when British children leave primacy school they read well, but read text often for fun than those elsewhere. Reading for fun matters because children who are been on reading can report lifelong pleasure and loving books is an excellent indicator of future educational success. According to the OECD, being a regular and enthusiastic reader is of great advantage

小题1:Which of the following is true of Paragraph 1?

A.Marry children’s books have been adapted from films.

B.Marry high-quality children’s books have been published.

C.The sales of classics have led to the popularity of films.

D.The sales of presents for children have increased.小题2:Statistics suggested that        .  

A.the number of top students increased with the use of computers

B.a decreasing number of children showed interest in reading

C.a minority of primacy school children read properly

D.a huge percentage of children read regularly小题3:What do we know about Reading Recovery?

A.An evaluation of it will be made sometime this year.

B.Weak readers on the project were the most hardworking.

C.It aims to train special teachers to help children with reading.

D.Children on the project showed noticeable progress in reading.小题4:Reading for fun is important because book-loving children _______.

A.take greater advantage of the project

B.show the potential to enjoy a long life

C.are likely to succeed in their education.

D.would make excellent future researchers小题5:The aim of this text would probably be _______.

A.to overcome primary school pupils reading difficulty.

B.to encourage the publication of more children’s books

C.to remind children of the importance of reading for fun

D.to introduce a way to improve early children reading

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对于流窜作案、多次作案、结伙作案的重大嫌疑分子,提请审查批准逮捕的时间可以延长至()。

A.3日

B.4日

C.30日

D.37日

题型:问答题 简答题

扩散通量J的定义为:扩散组元在单位时间内通过垂直于扩散方向的单位截面积的扩散物质流量,单位为:kg/m2·s。()

A.是

B.否

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