二段转化炉内的反应温度是（）℃左右。
A.800
B.1000
C.1200
D.1500
参考答案：B
Everybody’s fingerprints are _______, so the police can easily find the thieves if any is left when they’re stealing.
A．single
B．particular
C．special
D．unique
油漆涂刷应注意事项是什么？
