自动变速档位分为P（）、R（）、N（）、D（）。
参考答案：驻车档；倒车档；空挡；行车档
_________ she doesn’t do well in her study, she is friendly to others. [ ]
A. Because of
B. Even though
C. Thanks to
A．普及
B．广播
C．发挥
D．实施
