油中溶解气体含量满足下列标准,认为试验合格:油浸式变压器相对产气速率不大于()/月。

题型:单项选择题

问题:

油中溶解气体含量满足下列标准,认为试验合格:油浸式变压器相对产气速率不大于()/月。

A.8%

B.10%

C.12%

D.16%

考点:变电五通考试变电五通考试题库
题型:单项选择题

根据票据法律制度的规定,下列各项中,不属于支票绝对必要记载事项的是 ( )。

A.无条件支付的委托
B.付款人名称
C.出票地
D.出票日期

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Flowers suddenly burst out everywhere on the same day every spring, as if they       in tune with one another.

A.are

B.were

C.have been

D.are to be

题型:单项选择题

在UML提供的图中,可以采用 (30) 对逻辑数据厍的建模; (31) 用于接口、类和协作的行为建模,并强调对象行为的事件顺序; (32) 用于系统的功能建模,并强调对象之间的控制流。

(30)处填()。

A.用例图

B.构件图

C.活动图

D.类图

题型:单项选择题

British people eat less fruit and vegetables than other people in Europe. As a result,  British now has one of the worst heart disease __16.______(record) in the world., and each year more and more people have other health problems such as _17_____(be) too fat. Also, children eat much _18.______(little)fruit and vegetables than before. The government is very worried about that and has to do something to change it.

With the help of the government, _19______3-year Food Dude Program began _20_______ September, 2005. The program __21_____(start) by the University of Wales Bangor. It tries to help children eat more fruit and vegetables __22______in school and at home. Over 30,000 children from 150 primary shcools have joined the program. Children wathch the six parts of the Food Dudes cartoon over 16 school days. It's just long enough to get the children ____23____(eat) fruit and vegetables again and again until they begin to like the taste.

The results show that the program has been a great success, and will soon become popular around the world. Even the US and Canada take the Food Dudes Program very ___24____(serious) and in 2006 it ___25____(win) the World Health Organization best practice award.

题型:单项选择题

关于再障的发病机制,不包括

A.造血干细胞缺陷

B.骨髓微循环障碍

C.骨髓基质被破坏

D.造血原料不足

E.自身免疫反应异常

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