写出句中画线词语的近义词。    

1．进入天山，迎面送来的雪山寒气，会使你感到像秋天似的凉爽。    (      )     

2．你骑在马上，可以俯视阳光透射到的清澈的水底。    (      )(      )     

3．鱼群闪闪的鳞光映着雪水清流，给寂静的天山增添了无限生机。    (      )(      )     

4．马走在花海中，显得格外矫健。(      )

—I hear a number of workers in the factory______out of work.  

—Yes, and the number_____ quite huge.[ ]

A. are; is          

B. is; are        

C. is; is        

D. are; are