题目内容
某公路山岭隧道，里程为K5+100～K8+100，长度为3000m；进口段K5+100～K5+400为Ⅳ级围岩，覆盖层厚度为38m；K5+400～K8+100为Ⅴ级围岩，覆盖层厚度为60～250m，其中K6+800～K7+300为曲线；采用双向钻爆导坑法施工，用8个月实现隧道贯通。 根据此案例场景，回答下列问题： 洞内施工用的水准点按施工需要加设。为使施工方便，在导坑内拱部、边墙施工地段宜设立( )个临时水准点，并定期复核。
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甲公司为乙公司的利益，在没有法定义务和合同义务的情况下管理乙公司事务的行为，属于法律行为。( )
根据下面短文回答下列问题。 Wall Street is a famous street in New York City. It got its name from a wooden wall. The site of the wooden wall is that of the street now. The wall was built in the 1600s. New York was then a Dutch city. It was set up by people coming from Holland in Europe. It was called Amsterdam. The American Indians were not always friends of the Dutch; nor were the English. So the Dutch built the wooden wall to protect themselves. The wall is gone now. But Wall Street reminds the people of New York of the Dutch who settled there. Wall Street reminds the people of New York of the Dutch who settled there.
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根据下面短文回答下列问题。 Big Ben is not only a name of a man. It is also the name of a big clock in London. London is the capital of England. This clock has four faces. So, no matter where you stand, you can read the time on the face of Big Ben. Each face is the size of a bus. The hands are about four meters long. If you go to London, you may want to visit the House of Parliament. You will probably hear it and see it. The big clock makes such a loud noise. "Dingdong, dingdong." It goes every quarter of an hour. The name of Big Ben comes from a great builder. This man did much building work in London many years ago. The underlined words "hands" means ______ in Chinese.
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