关于电子对效应的发生概率正确的是（）

[单选题]堆焊翻修适用于（）材料零件。

[单选题]化学清洗的方法最常用的是（）

[问答题]黄色信号表示什么意思？

[判断题]中华世纪坛是中国人民迎接新千年、新世纪的标志性和纪念性建筑。在这里举行了迎接2001年、走向新世纪的各种庆典活动。（　　）

[单选题]-场篮球比赛中的一节时间是（）。

[填空题]专业技术人员尤其是担负决策任务的专业技术人员在处理突发事件时还必须高度重视（），及时迅速协调不同职能部门，明确相关部门与机构的责任和义务，优化整合各种社会资源，发挥整体优势，从而将突发事件造成的损失降低到最低限度。

[判断题]在PowerPoint 2010中可以对插入的视频进行编辑。

[单选题]请阅读 Passage 2，完成第 26~30小题。Passage 2 The common cold is the world's most widespread illness， which is plague that flesh receives.The most widespread fallacy of all is that colds caused by cold.They are not， They are caused by viruses passing on from person to person.You catch a cold by coming into contact， directly or indirectly， with someone who already has one.If cold causes colds， it would be reasonable to expect the Eskimos to suffer from them forever.But they do not.And in isolated arctic regions explorers have reported being free from colds until coming into contact again with infected people from the outside world by way of packages and mail dropped from airplanes.During the First World War soldiers who spent long periods in the trenches， cold and wet，showed no increased tendency to catch colds.In the Second World War prisoners at the notorious Auschwitz concentration camp， naked and starving， were astonished to find that they seldom had colds.At the Common Cold Research Unit in England， volunteers took part in Experiments in which they gave themselves to the discomforts of being cold and wet for long stretches of time.After taking hot baths， they put on bathing suits， allowed themselves to be with cold water， and then stood about dripping wet in drafty room.Some wore wet socks all day while others exercised in the rain until close to exhaustion.Not one of the volunteers came down with a cold unless a cold virus was actually dropped in his nose.If， then， cold and wet have nothing to do with catching colds， why are they more frequent in the winter? Despite the most pains-taking research， no one has yet found the answer， One explanation offered by scientists is that people tend to stay together indoors more in cold weather than at other times， and this makes it easier for cold viruses to be passed on.No one has yet found a cure for the cold.There are drugs and pain suppressors such as aspirin， but all they do is relieve the symptoms.The passage mainly discusses ____.

[单选题]总行业务部门对产品经理团队进行考核时，公司业务部占权重为（）。

[单选题]收费系统的收费方式，下列说法正确的是（　）。