试述近几十年来全球经济活动空间移动的特征。

房地产市场供给垄断性的原因不包括(  )。（2009年试题）

哈勃测出的宇宙常数的数值大小是（）km/s/Mpc。

在90年代人们测量出的哈勃常数H等于多少（）？

Every deliberate act of wrongdoing by the master or any of the crew against the ship or cargo，without the authorization or privity of the Shipowner or his agent，is（）.

（）, or drum is used for hauling in or letting out the wires or ropes which will fasten the ship to the shore.

A salvor may be（）the whole or part of the payment due under Salvage Convention to the extent that the salvage operations have become necessary or more difficult because of fault or neglect on his part or if the salvor has been guilty of fraud or other dishonest conduct.

The （） is used for hauling in or letting out the wires or ropes.

Vessels must be（）valid certificate of nationality or certificated of registry or license.

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。

哈勃定律中的哈勃常数是什么和什么的比值（）？

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。