—Hi! Mr. Zhang, I am enrolled(录取) by an important senior high school. —Really? ______!
A：Thank you
B：Congratulations
C：Never mind
D： I don't hope so
某同学做“测量小灯泡电功率”实验中，所用电源电压恒为4V，小灯泡的螺旋套上标有“2.5V”字样
猜一猜。
尖尖嘴，细细腿，狡猾多疑拖大尾。
——____
某生物体中的核酸分子，经分析得出如下结果：A=30%，T=25%，C=25%，G=10%，可推测该生物不可能是（ ）
Maria came ____ (猛冲，突进) down the stairs as soon as she heard her mother back home.
