根据方法说明，最后进入检测器的气体包括？
A. 苯
B. 甲苯
C. 丁酮
D. 辛烷
E. 沸点小于辛烷的组分
F. 沸点大于辛烷的组分
How many benefits can doing sports bring us according to passage1?
A. 3
B. 4
C. 5
D. 6
What are the benefits of doing sports? Select all that is involved.
A. strong physical health
B. great team abilities
C. perfect personalities
D. strong organizational features
E. enriched physical stamina
F. improved reflexes
Reading __________ (丰富）our minds.
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