氧乙炔火焰的温度可以达到多少度?()
A、3000℃
B、2500℃
C、3500℃
参考答案:A
The new stadium being built for the next Asian Games will be the present one.
A.as three times big as
B.three times as big as
C.as big as three times
D.as big three times as
在下列各项中,可以设定反担保的有( )。
A.抵押
B.质押
C.留置
D.定金