如果区内某水体发生了富营养化，可行的治理措施是
A．增加来水量和增加出水量B．减少来水量和增加出水量
C．减少来水量和减少出水量D．增加来水量和减少出水量
So sudden ________ that the enemy had no time to escape.
A. did the attack B. the attack did C. was the attack D. the attack was
— I’d really like to. I’ll talk to you soon, Debbie. I’m glad I ran into you.
—65
A. forgotten B. buried C. discovered D. unexpected
-------John and I will celebrate our fortieth wedding anniversary next month.
--------Oh, _________!
A. cheer up B.well done C. go ahead D. congratulations