CDL 考试:观察路况 题目与答案
我们使用的所有题目,附正确答案、解释和出处。
观察路况
9 道题-
#1
只有在什么情况下才能准确检查后视镜的调整?
英文原文: Mirror adjustment can only be checked accurately when:
- 车辆缓慢行驶时
- 发动机熄火时
- 挂车处于直线状态时 (the trailer(s) are straight)
- 挂车装载时
答案: C. 每次行程前应在挂车摆直的状态下检查后视镜,这样才准确。
来源: North Dakota CDL Manual (AAMVA model), Section 2, p. 38Mirror adjustment should be checked prior to the start of any trip and can only be checked accurately when the trailer(s) are straight.
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#2
与平面镜相比,凸面(“鱼眼”)镜中的物体看起来:
英文原文: Compared with a flat mirror, objects seen in a convex (“fisheye”) mirror appear:
- 比实际更大、更近
- 大小相同但左右颠倒
- 更大但更远
- 比实际更小、更远 (smaller and farther away than they really are)
答案: D. 凸面镜中的物体看起来比实际更小、更远。
来源: North Dakota CDL Manual (AAMVA model), Section 2, p. 39But everything appears smaller in a convex mirror than it would if you were looking at it directly. Things also seem farther away than they really are.
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#3
除了观察交通,后视镜还能帮您发现什么?
英文原文: Besides watching traffic, what else can your mirrors help you spot?
- 轮胎起火 (A tire fire)
- 燃油不足
- 方向盘松旷
- 挡风玻璃开裂
答案: A. 通过后视镜留意轮胎,是发现轮胎起火的一种方法。
来源: North Dakota CDL Manual (AAMVA model), Section 2, p. 38Use the mirrors to keep an eye on your tires. It’s one way to spot a tire fire.
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#4
变道时,为什么在打了转向灯之后还要再看后视镜?
英文原文: During a lane change, why should you check your mirrors after you have signaled?
- 确认转向灯是否工作
- 确认没有人进入您的盲区 (To check that no one has moved into your blind spot)
- 让其他司机知道您要离开
- 检查货物绑带
答案: B. 打灯之后再看后视镜,确保没有车辆进入您的盲区。
来源: North Dakota CDL Manual (AAMVA model), Section 2, p. 38After you have signaled, to check that no one has moved into your blind spot.
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#5
行驶中查看后视镜时,应该:
英文原文: When you check your mirrors while driving, you should:
- 盯着后视镜看足够长的时间,确认旁边车道畅通
- 只查看左侧后视镜,因为右侧不那么重要
- 快速查看,并在后视镜和前方道路之间来回看 (check quickly and look back and forth between the mirrors and the road ahead)
- 只在停车时查看,因为行驶中不需要看后视镜
答案: C. 不要长时间盯着后视镜,否则会在不知道前方情况时行驶一段距离。
来源: North Dakota CDL Manual (AAMVA model), Section 2, p. 39Don’t focus on the mirrors for too long.
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#6
在高速公路速度下,提前观察12至15秒大约相当于:
英文原文: Looking ahead 12 to 15 seconds at highway speeds is about:
- 几个车身长度
- 一英里半
- 大约300英尺
- 四分之一英里 (a quarter of a mile)
答案: D. 在高速公路速度下,12至15秒的距离大约是四分之一英里。
来源: North Dakota CDL Manual (AAMVA model), Section 2, p. 38At highway speeds it’s about a quarter of a mile.
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#7
根据手册,什么是“危险”(hazard)?
英文原文: What is a hazard, according to the manual?
- 任何可能构成危险的道路状况或其他道路使用者 (Any road condition or other road user that is a possible danger)
- 已经发生并堵塞了前方道路的撞车事故
- 仅指停在您前方道路上的车辆
- 在您车道行驶的任何比您的车更大的车辆
答案: A. 危险是可能的威胁;当它突然切到您面前,就成了紧急情况。
来源: North Dakota CDL Manual (AAMVA model), Section 2, p. 45A hazard is any road condition or other road user (driver, bicyclist, pedestrian) that is a possible danger.
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#8
接近停在路边的应急车辆时,如果变道不安全,应该:
英文原文: Approaching a stopped emergency vehicle on the roadside, if a lane change is unsafe, you should:
- 保持速度并鸣喇叭以警告路边人员
- 减速并谨慎通过,与路边人员保持安全距离 (slow down and proceed with caution, keeping a safe distance from roadside personnel)
- 完全停在它后面,等到应急车辆离开
- 在同一车道快速通过,尽快驶离现场
答案: B. 如果无法安全变道,就减速并与路边人员保持安全距离。
来源: North Dakota CDL Manual (AAMVA model), Section 2, p. 45If a lane change is unsafe, slow down and proceed with caution while maintaining a safe distance for the roadside personnel.
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#9
好的司机至少向前看:
英文原文: Good drivers look ahead at least:
- 5到8秒
- 12到15秒 (12 to 15 seconds)
- 30到40秒
- 1到2秒
答案: B. 12-15秒在市区约为一个街区,在公路速度下约为四分之一英里。
来源: North Dakota CDL Manual (2025-2027), 2.4.1Most good drivers look at least 12 to 15 seconds ahead.