[判断题]4.()民事义务可以抛弃,也可以履行。-我要搜题网

Driverless ears
Professor Sebastian Thrun, director of the Stanford Artificial Intelligence Laboratory, wants to cut the number of ears on planet earth by 50%.
He said: "It’s a huge waste of money and resources to do so—we use ears about 3% of the time. "
Professor Thrun is a leader in the field of driverless Cars and has built two robotic vehiclescalled Stanley and Junior.
The cars have no human driver and no remote control system—everything from sensors to navigation is handled by an onboard computer.
They were both entered into the DARPA Grand Challenge—a race for autonomous vehicles. Stanley won in 2004 and Junior took second place in 2007.
But the ultimate goal is to create a world where self - aware vehicles can drive passengers around without hitting pedestrians or bumping into other vehicles.
"To be able to understand the environment as deep as humans do is the holy grail
A. This passage shows the latest car and helicopter models.
B. This passage introduces the latest research in cars and helicopters.
C. This passage persuades people to buy cars.
D. This passage explains how helicopters work.

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[单项选择]The Pakistani president, Gen. Pervez Musharraf, announced here today that a delegation of Pakistani officials would fly to the Taliban’s headquarters in the southern Afghan city of Kandahar Monday to renew demands that the militia surrender Saudi fugitive Osama bin Laden.
U. S. officials have named bin Laden, who has been given shelter by the Taliban rulers in Afghanistan, as the prime suspect in Tuesday’s terrorist attacks in Washington and New York.
"We are aware of the gravity of the situation and know that in the lives of, nations, such situations do arise that require making important decisions," Musharraf said at a meeting with Pakistani newspaper editors.
The Taliban’s leader, Mohammad Omar, has refused to give up bin Laden, claiming he is not responsible for the U. S. attacks.
"The Pakistan government is leaning on the Taliban government to hand over Osama to save this entire region from catastrophe," said Najam Sethi, editor of the weekly newspaper Friday T
A. the heavy weight of the situation
B. the unexpected situation
C. the discouraging situation
D. the serious and urgent situation

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[判断题]高处作业使用的脚手架应经验收合格后方可使用。上下脚手架应走斜道或梯子，作业人员应沿脚手杆或栏杆等攀爬。
A.正确
B.错误

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[判断题]建筑施工企业对安全检査中发现的问题和隐患，应定人、定时间、定措施组织整改，并跟踪复査。
A.正确
B.错误

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[单选题]若用LGJ-50型导线架设线路，该导线发生电晕的临界电压为( )。
A.10kV
B.35kV
C.110kV
D.153kV

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[填空题]可编程逻辑器件的英文简称是（）。

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[单选题]下列哪项不是造成松片的原因
A.原料中纤维成分过多

B.原料中含有较多的挥发油

C.颗粒中含水量过高

D.润湿剂选择不当，乙醇浓度过高

E.冲头长短不齐

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[判断题]各级安全监督管理人员在检查中可以灵活处理，现场决定。
A.正确
B.错误