问题
选择题
The general joy of driving cars in video games is the careless feeling; you can bravely overtake other cars without ________.
A．fining
B．fine
C．fined
D．being fined
答案
答案：D
搜题请搜索小程序“爱下问搜题”
The general joy of driving cars in video games is the careless feeling; you can bravely overtake other cars without ________.
A．fining
B．fine
C．fined
D．being fined
答案：D
R-COOH，E在酸性条件下水解后的产物在一定条件下可生成F（C11H10O3）。写出F的结构简式： 。
的合成路线流程图。
CH3CH2OH 
H2C＝CH2 BrH2C－CH2Br