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举一反三
【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】除哪项外，有下列情况者均不能献血（）。
A.
性病、麻风病和艾滋病患者及艾滋病病毒感染者
B.
同性恋者、多个性伴侣者
C.
有吸毒史者
D.
阑尾切除手术后
E.
各种恶性肿瘤及影响健康的良性肿瘤患者