Many countries are increasing their use of natural gas, wind and other forms of ____.
#5136
A
energy
B
source
C
power
D
material
推荐题目
China Daily gave us a vivid ________ of the successful ___________of Chang’er II.
#5566
A
account; launch
B
explanation; start
C
description; send
D
imagination; boost
When I worked as the general manager of the firm, I sometimes had _____ to visit London on business.
#7483
A
opportunity
B
possibility
C
occasion
D
chance
When a space shuttle has accomplished its _____, it can be ready for another trip in about two weeks.
#6928
A
venture
B
mission
C
commission
D
responsibility