激活真核基因组织特异性转录所必需的是（）。
A.操纵子
B.启动子
C.增强子
D.沉默子
E.衰减子
参考答案：C
________，the football game has been decided not to be put off.
A．Heavily as did it rain
B．As it rained heavily
C．Heavily as it rained
D．As heavily it rained possible
《卜算子·咏梅》中描写梅花即使被碾压成泥，也不忘向人间播撒芳香的诗句是______，______。
