按用途分，钢有结构钢、特殊用途钢。（）
参考答案：错
What they gave us is ______ help; they gave us the confidence to live through the hard times.
A．much more than
B．no more than
C．no less than
D．much less than
从所给四个选项中，选择最合适的一个填入问号处，使之呈现一定规律性（）。
A.
B.
C.
D.
