洗苯后煤气中含萘一般为（）g/NM3。
A.0.7-1.0
B.0.8-1.1
C.0.9-1.2
D.1.0-1.3
参考答案：A
—Would you like something to drink, girls?
—Yes, _______, please.
A．twocupofcoffee
B．twocup of coffees
C．twocupsofcoffee
D．twocups of coffees
海洋生物活性物质结构鉴定波谱法？
