对灾害现场估计过低，把复杂想象为简单，把困难想象为容易，是一种盲目乐观危险的临战心理。
参考答案：对
Having been attacked by terrorists, _____.
A．doctors came to their rescue
B．the tall building collapsed
C．an emergency measure was taken
D．warnings were given to tourists
下列选项属于固体废物焚烧处置技术的燃烧系统中的主要成分的有（）。
A.还原物
B.氧化物
C.燃料
D.惰性物质
