【单选题】According to the text, a drive - in window is ______.
A.
a car window from which you can see the driver
B.
a window in the restaurant from which you get your takeout in the car
C.
a place where you check the mechanic condition of your car
D.
an entrance where you return the used plates after eating
【单选题】If you have to switch manually from 2-wheel drive to 4-wheel drive,it is called ( ).
【单选题】婴幼儿易患呼吸道和消化道感染的主要原因是
【单选题】It is over _______ from Shijiazhuang to Beijing. [ ]