题型：判断题 以下哪一种说法是正确的（）。A.现患率等于发病率B.发病率和患病率一样C.罹患率是一种特殊的患病率D.发病率计算公式的分子只包括新发病例E.发病率是指某特定时期内人口中新老病人所占的比例 查看答案
题型：判断题 随着时空的推移和条件的改变，一定事物的价值以及人们关于它的价值的正确认识也会发生变化，因此[ ]A、真理与谬误就一步之遥B、价值判断和价值选择具有社会历史性C、事物的联系是可以改变的D、正确与错误是无法判断的 查看答案
题型：判断题 完形填空。 Tina and Thomas Sjogren were the fourth and fifth people to reach the earth's three poles. Years ago, the couple were 1 across the North Atlantic on their way to Europe. Tina looked out of her window and was 2 by the vast amount of space in Greenland. "The sky outside the window burst into different 3 , and auroras (极光) flew all around us. I 4 what it would be like to step down there and start walking 5 , all alone in such a place." She thought, "If this is what Iceland and Greenland are like, how 6 then must the Arctic be?" She turned to her husband, 7 him awake and said, "Honey, let's go to the Poles!" Tina's 8 would not be their first adventure. They had already climbed Mount Qomolangma. The pair soon made a 9 to visit both the North and South Poles on skis, travelling 10 . On February 2, 2002, they reached the South Pole. Their journey 11 2 000 kilometres. After just 35 days of recovery and preparation, they 12 again. "You are so 13 after the long expedition to the South Pole, so you don't know if you could do 14 right away." On May 29, after travelling for the whole morning, as the couple watched with weak 15 , the numbers ontheir GPS showed that their goal had 16 been achieved. They had made it. Without the 17 of dogs or supplies dropped from planes, it was only their strength and willpower that 18 them to ski and swim their way. They got valuable experience but that did not come without a 19 . If you go on an adventure, there's always the risk of something going wrong. 20 , you will learn from it. ( )1.A. flying ( )2.A. frightened ( )3.A. shapes ( )4.A. remembered ( )5.A. carefully ( )6.A. cold ( )7.A. shook ( )8.A. idea ( )9.A. suggestion ( )10.A. non-stop ( )11.A. covered ( )12.A. broke down ( )13.A. excited ( )14.A. more ( )15.A. torchlight ( )16.A. surprisingly ( )17.A. reward ( )18.A. attracted ( )19.A. price ( )20.A. Therefore B. exploring B. bored B. colors B. wondered B. quickly B. bright B. knocked B. advice B. plan B. unsupported B. included B. settled down B. disappointed B. another B. sunlight B. luckily B. burden B. allowed B. success B. Instead C. swimming C. amazed C. sounds C. enjoyed C. aimlessly C. wonderful C kept C. order C. proposal C. unreturned C. lasted C. set out C. confused C. one C. breath C. accidentally C help C. taught C. mistake C. Otherwise D. sailing D. amused D. waves D. doubted D. freely D. terrible D. beat D. offer D. change D. unprepared D. crossed D. came back D. tired D. others D. eyesight D. eventually D. company D. forced D. change D. However 查看答案
题型：判断题 可以采用以下( )计算公式计算进度偏差。A．进度偏差＝已完工程实际时间—已完工程计划时间B．进度偏差＝已完工程实际投资—已完工程计划投资C．进度偏差＝拟完工程计划投资—已完工程计划投资D．进度偏差＝已完工程计划投资—拟完工程计划投资E．进度偏差＝已完工程计划投资—已完工程实际投资 查看答案