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【单选题】第三篇 Inspecting a Used Car The scariest part of buying a used car is not being completely sure of what condition it’s in. A car that’s been in a major accident is always a bigger risk, bu...
A.
a technician who checks a car free of charge
B.
a technician who learned his trade all by himself
C.
a technician who works for a particular car-dealer
D.
a technician who runs his own inspection service
【单选题】与非独立悬架相比较,汽车采用独立悬架有以下优点: 两侧车轮可以( )运动而互不影响,这样在不平道路上可减少车架和车身的振动,而且有助于消除转向轮不断偏摆的不良现象。
A.
相互
B.
左右
C.
旋转
D.
单独
【单选题】下列是一组有规律的图案，第1个图案由4个基础图形组成，第2个图案由7个基础图形组成，第3个图形由10个基础图形组成，第5个图形中基础图形的个数为（ ）
A.
13
B.
14
C.
15
D.
16