单项选择题
在86.0kPa压力下用水蒸气蒸馏甲苯，已知在此压力下该系统的共沸点为800C, 800C时水的饱和蒸汽压为47.3kPa.欲蒸出100g甲苯，需消耗水蒸气()克. M=92g/mol。 A. 32.7 B. 47.3 C.23.9 D.100
单项选择题 中国庭院文学是中国()的反映，《红楼梦》是中国庭院文学的代表作。
未知题型 At first I felt very ________ and angry about losing my job.A resentfulB cheerfulC distrustfulD stressful
未知题型 She decided to ________ her studies after obtaining her first degree.A purchaseB pursueC persuadeD prevail
