ETC专用车道系统路侧天线包括（）
A.车道天线
B.天线控制器
C.OBU
D.CPU卡
参考答案：A, B
根据图片提示完成对话。
A: Where does the 1____________ come from?
B: It comes from the 2____________ .
A: Where does the cloud come from?
B: It comes from the 3____________ .
A: Where does the vapour come from?
B: It comes from the water in the 4____________ .
A: How can the water become vapour?
B: The 5____________ shines and the water becomes vapour.
A: Oh, I see.
男性，27岁，受伤后体表无伤口，外耳道有血迹伴听觉障碍，并有呼吸困难，可能为（）.
A.扭伤
B.挫伤
C.冲击伤
D.胸部刀刺伤
E.切割伤
come from? 
. 
. 
. 
shines and the water becomes vapour.