问题
完形填空
1970 was the World Conservation(保护)Year. Everyone must know that the world is in danger. 16 is one example of the 17 .At one time there were 1,300 different kinds of trees and flowers in Holland(荷兰),but now only 866 remain(继续存在), 18 have been destroyed by modern man. We are changing the earth, the air and the water, and 19 that grows and lives. If we go on like this , we shall destroy ourselves. What will happen in the future? Perhaps 20 is more important to ask “What must we do now?” The people who will be living in the world tomorrow are 21 young of today. A lot of them know that conservation is necessary. Many are helping to save 22 . Now fifteen million young people in many countries are studying 23 and the country around him. In some countries they spend much time as “conservation volunteers.” They plant trees and help to 24 wild birds and animals. But everyone, 25 young people, must work to save our world.
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答案
小题1:A
小题1:C
小题1:D
小题1:A
小题1:D
小题1:D
小题1:B
小题1:A
小题1:B
小题1:A
小题1:这里就有一个有关环境问题的例子。故选A。
小题1:problem通常指生活上遇到的难题、麻烦；而question指的是学习上的问题。故选C。
小题1:1300种树和花中的866种存活，剩下的已经被人类破坏灭绝。some“一些”；others泛指“一些”；the other“另一个”；the others“剩下的全部”，故选D。
小题1:我们在改变着地球、空气、水还有其他一切有生命的生物。故选A。
小题1:考查固定句型。It is +形容词 to do sth.“做某事很......”。故选D。
小题1:明天的人们是现在的年轻人。表示特指用定冠词the。故选D。
小题1:很多年轻人都知道保护环境是必要的，他们中的很多页正在帮忙拯救我们的世界。且根据文章最后一句话可知，用our world。故选B。
小题1:man在此指“人类”。故选A。
小题1:他们组成志愿者小组植树、保护鸟和野生动物。故选B。
小题1:不仅是年轻人，每个人都必须切实行动起来拯救我们的世界。故选A。
标段内的梁体为双线整孔箱梁，采取场制和现场架梁，计划每天架梁2孔，1号特大桥梁部工程有240×32m孔箱梁，2号特大桥梁部工程有60×32m孔箱梁，两座特大桥采用1个制梁场制梁，梁体采取蒸汽养生。全标段架梁工期为5个月。隧道进出口有部分Ⅳ级围岩，其余均为Ⅱ、Ⅲ级围岩，洞口采取台阶法开挖，洞身采取全断面开挖，隧道双口掘进，洞内无不良地质。由于前期征地拆迁的影响，隧道开工时间延迟了1个月。