在炼钢温度范围内,熔池中的[%C]和[%O]的乘积基本上是一个定值。
参考答案:对
We found _____ impossible to finish the work in such a short time.[ ]
A. it's
B. that was
C. it
D. that
Ms Liu saw a fashion dress in a shop which set her heart racing. However, its price was far beyond her _______.
A.range
B.certainty
C.reach
D.contact