在一定冶炼条件下，炉温与燃料比呈线性关系，燃料比愈低，炉温愈高。
参考答案：错
Life in London has so many________-nightclubs, good restaurants and so on. [ ]
A . collections
B. instructions
C. attractions
D. expressions
百草枯中毒后最为突出的临床表现是
A．肝损伤
B．肾损伤
C．肺损伤
D．脑损伤
