中温沥青可用于制油毡（）及高级沥青漆等。
A.农药
B.建筑防水层
C.增塑剂
D.塑料
参考答案：B
– Alice, you are the winner of the English speech contest.
– _____. Spoken English is the weakest for me.
A．Sound great
B．I think so
C．Of course not
D．You are kidding
酸法分解土壤试样过程中，在驱赶高氯酸时为什么不可将试样蒸至干涸？
