【B8】______A．linesB．agesC．spaceD．limits

B8单元格数据的3次方，用Excel 2000公式表示为__________．

The space shuttle【D1】______ made a rare night landing at the Kennedy Space Centre early on

How can we best_______ our limited resources？A、employB、utilizeC、enforceD、enlarge

Student journalists are taught how to be______when writing in a limited space.A．conciseB．p

____________[A] limited [B] committed [C] dedicated [D] confined

_________[A] invisible [B] limited [C] indefinite [D] different