竞争者之间可以建立一种“双赢”的关系，而不一定都是赢输关系。
参考答案：对
_________, I always feel I want a few more days.
A．However long is a vacation
B．However long a vacation is
C．However is a vacation long
D．However a vacation is long
It, s said that the power plant is now large as what it was.
A．twice as
B．as twice
C．twice much
D．much twice
