问题
单项选择题
开挖深度超过()时，特别是在街道、居民区、行车道附近开挖土方时，无论开挖深浅都应视为高处作业，并设置警告标志和高度不低于()的双道防护栏，夜间还要设红色警示灯。
A.3m，1.2m
B.2m，1.5m
C.2m，1.2m
D.3m，1.0m
答案
参考答案：C
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开挖深度超过()时，特别是在街道、居民区、行车道附近开挖土方时，无论开挖深浅都应视为高处作业，并设置警告标志和高度不低于()的双道防护栏，夜间还要设红色警示灯。
A.3m，1.2m
B.2m，1.5m
C.2m，1.2m
D.3m，1.0m
参考答案：C
完形填空(共20小题；每小题l.5分，满分30分) Once upon a time, there lived many doves (鸽子) in the jungle. One day they went out in search of food. They flew long distances 1 did not get anything to eat. All of them were now completely 2. A young dove asked the King Dove, “Your Majesty(陛下), please 3 us to take some rest.” The king replied, “Have 4, my dear young fellow. We shall 5 get something to eat very soon.” The young dove started flapping(拍打) his wings with 6 and soon left everyone else behind. After some time, he 7 and spoke to others, “Hey, I see lots of 8 down there.” Hearing this, all the doves started 9 the scattered (散落的) grains under a banyan tree. 10 the King Dove said, “It is too good to be true. There is something wrong. Don’t rush towards the grains. It may be a 11 . Some hunter must have laid a trap(陷阱).” But the doves were extremely hungry. The 12 of the grains was too tempting (诱惑人的). Without giving a(n) 13 to the king’s advice, they swooped (突然下降) down and started eating the grains. After having a big 14, they tried to fly away only to 15 that they were caught in a net. The King Dove said, “I told you before that it is a trick of some hunter.” All of them felt ashamed and 16 . One of them said to the King Dove, “Oh, Your Majesty, please save us.” So the King Dove said, “All of you must try to fly with the 17 at the same time and in the same 18, all of you.” Just then they saw a(n) 19 show up. The King Dove said, “Now all of you, fly together.” So all the doves flapped their wings together and flew with the net. The hunter stood shocked. He couldn’t 20 what he had just seen.
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