微波加热（）。
A.不能灭菌
B.加热均匀性好
C.大量破坏营养
D.不节能
参考答案：B
It was ____ that she couldn’t finish it by herself.
A．so difficult a work
B．such a difficult work
C．so difficult work
D．such difficult work
--How many people were there at the meeting?
-- _______. All the people went on a trip to Beijing.
A．Nobody
B．No one
C．None
D．Nothing
