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跪求高手给答案 4 Q4 H! X6 ~/ p2 i) s
) }( n3 u: K, U9 _' k可以的话 解释一下原因 谢谢大家 3 n2 ^ `5 U) ]2 z) J1 S2 V5 d& v
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1.Which of the following are best practices with respect to backing?# @$ ]# k' ^9 f# n8 t
) y6 V4 J' N/ b, U3 G+ E" \ ] A)Back at 10km/h# e8 R) m# v# J& b6 Q, c8 a' @+ @
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B)All of the answers are correct1 T* ^* c- Q& e. Z( ]
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C)Back to the blind side of the vehicle! v0 d* O( ]- v3 j4 H' w0 b" K
6 m0 @5 u2 }1 D+ F* B4 A D)Avoid backing whenever possible, q2 N% F: z& M3 P ]
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2.If you can't avoid a collision, what is the best action to take to reduce injuries?
/ q0 g0 \# q4 A% F/ B8 x A)Lock your brakes and turn toward the ditch
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6 B9 Q" l" G8 S B1 T- H! d B)Use controlled braking and steering to collide with any objects at an angle
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9 L& T# d' n8 l* B C)Lock your brakes and steer hard to the left side of the highway$ l. S# A2 S) a1 s
+ ~' |# j5 e: [" u! D6 b! l* C. V D)Slam on the brakes and hit head-on/ i8 X8 e. ]4 ?% ~7 K* t
8 r6 w5 G }( f8 E 3.The most effective way to quickly stop a vehicle traveling at speeds greater than 60 km/h on wet pavement is to:
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4 ~, q4 m1 f3 y! z6 d. U A)Pump the brakes- ?1 c7 e2 y- v1 x
9 b S" W; ^" m* _ B)Shift to a lower gear and squeeze the brakes
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C)Lock the brakes
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D)Threshold brake# D0 `# C6 |) x4 C
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7 M. ~; Y9 X P) |) z# Q 4.When driving a vehicle equipped with ABS brakes, the best way to stop in an emergency is:
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: E) h3 Y8 Q' s' V8 A: Z A)Apply firm pressure on the brake pedal' a6 l* v& F8 |! P& V! ]5 L: _# e
( l$ ?. k; h& U+ @* F/ J B)Quickly pump the brake pedal
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5 j) { d5 w/ _) c C)Slowly pump the brake pedal
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D)Press on the brake pedal until you feel a pulsating, then ease up
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5.What is the minimum distance ahead that you should look when driving?; m$ v7 G" Y5 j4 {- [( G: ~
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A)Four seconds ahead7 E9 C) }4 v2 m# X! m- z0 E+ ]
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B)12 to 15 seconds ahead
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' B5 w2 v D8 w) ^/ b8 W3 R& k C) Four car lengths
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2 q( ~+ p ^2 f& Q( @ D) About 1 km
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6.Responsibility for the safe maintenance of any vehicle rests mainly with:/ K/ K) s6 o2 M
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A) The automotive department or service station( v# j) F$ ]7 W
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B) The owner/operator1 `* L3 X1 c) I& x# e6 G
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C) Law enforcement officers
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D) The manufacturer6 G( w# R( W4 n
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7.The condition of tires on a vehicle is important because:
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A) Contact between tires and the road stop the vehicle+ G+ n8 q9 B ^5 {
9 f. n# L7 ~6 M* A9 N B) All of the answers are correct
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9 g; j, N8 h& K: H5 T9 F7 s+ V3 u C) Tires provide traction; q8 i/ |1 D/ G0 x: f$ q* v
7 d" K( g) A( u$ q; w7 v; _& `/ S D) Tires carry the vehicle's load
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8. A yellow traffic sign indicates:
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A) Roadside services' U" |/ j S0 ^( }7 h. e9 d2 M
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B) A construction zone j4 C- }7 Z3 M- ^3 D! I+ ]5 L9 \
/ E, \ L: Z# n/ i! c$ v C) A general warning
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) T0 v+ J' G4 h9 F2 P D) A prohibitive message
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9. You are driving on a highway when the left front tire suddenly goes flat. You should:9 a2 [1 O* O) }. k
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A) Signal, pump brakes, and steer left
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" h3 ~5 V& z2 y% C U9 z B) Signal, pump brakes, and steer right
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C) Grip the wheel firmly, engage ABS brakes, and steer right% A8 R4 o! A( `% l8 d( _, D' D' w
) ^( f; @! B$ Y' t5 u$ F( d D) Grip the wheel firmly, steer straight, and reduce speed without using the brakes
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10. Properly understanding an anti-lock braking system:
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A) Can help drivers be safer on the road
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B) All of the answers are correct6 }/ \% o$ z2 \7 h- {. ^
; h7 N! s' u' k" k8 |; k( ?& V C) Can greatly reduce the risk of injury
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0 `/ X4 B7 J k- E$ z1 ?, f. q D) Can reduce the risk of having a collision$ o# t; Q* f$ T2 _$ N! t
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! L2 Z9 L- Z& D# Q 11. You should return to your lane after passing another vehicle once:% I i7 [4 w: B1 `8 ^
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A) The other driver signals with the lights m) s7 P3 ]. G3 m/ }1 Y( O" t
: t4 s0 C# X5 z+ P1 q$ i$ ^9 L% a B) You can see the other vehicle in your rear-view mirror8 Q# V; u# B! w, R* T2 u6 e( }
5 o0 c a R: ~& }1 [& b% Q7 D C) Your rear bumper passes the front bumper of the other vehicle+ ^' ^( f3 b; N% j6 F. C# z' k
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D) You are 5 metres past the vehicle1 b" a6 e& W! C3 K
% x; |- X/ L, r v9 e 12. To be proactive and reduce the chance of road rage in other drivers, you should:
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A) Drive the same speed as all other drivers( H/ Y7 o! u9 p
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B) Signal 30 metres prior to turns in rural areas8 `( i* ?( h. g- @# R- g$ r
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C) Keep a space cushion all around your vehicle1 |" o5 i- r. _6 W. g. t. K
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D) All of the answers are correct. Z8 @6 d6 z' f$ n* \; c3 L8 v
; t. H$ _: o. a2 O2 J 13. The first thing you should do prior to backing out of a parking stall is:
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A) Sound your horn twice! ~4 ` N0 K- N, p5 {* Z0 r
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B) Proceed slowly
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0 I& K( U+ u1 r3 q C) Walk around the vehicle to check for hazards
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D) Use your mirrors and look out the rear window T, A) g, w/ s. H; o* t2 C1 \- f' p7 ?
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14. What causes most vehicle crashes?2 B! Y5 a" F: K% K; X7 Q
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A) Traffic laws* [2 L; e# }9 m% Y- m/ @1 y3 F
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B) Defects in the road* |+ I8 O+ o2 o
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C) Human error
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D) Inadequate traffic controls
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15. A black/white or red/white traffic sign indicates:8 o! {9 m% i+ j! S' R/ L
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A) A construction zone+ N1 p: v7 [8 s% w! `+ k
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B) A general warning) L# M E' y' G) n% s; U5 k+ p& p
1 q/ ?( U. L! r" x3 A3 f C) Roadside services
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& v2 E0 E+ s* P; b1 ~9 M) l3 @D) A traffic regulation
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16. A flashing red traffic control light always has the same meaning as:3 `; e, |$ K9 N4 H+ l
: N$ @5 u( v3 \6 n2 s9 }A) A caution sign
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) K( l. Q } Y& K1 u+ _4 aB) A yield sign8 a% p; H- ?8 a e* B- X
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C) A stop sign
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5 t9 D; f! O2 y8 mD) An ordinary red traffic light7 _3 \! ?, D. I; o% {
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17. The major factor contributing to cornering skids is: C# g9 e6 S1 u8 T- W* C
- [6 B' z4 w& r" O- C5 L+ i A) Entering the corner too fast% M* A) O# N3 a8 {2 _
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B) Driving with all season tires
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# [, p0 f* T4 m7 M3 \C) Braking sharply while in the curve
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D) Being unfamiliar with the road and road conditions
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18. You will anticipate better when driving in a rural area if you:) @9 p3 @5 H; \7 {" t% U
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A) Check your mirrors every 30 seconds8 i; p" q8 `4 N! {4 n! m! I" D
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B) Scan at least 25 seconds ahead6 D; l; n+ ~5 D) `
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* C6 u) |+ l% p5 F, c 19. Maintaining a 4-second following distance in wet weather conditions is an example of:& y! }3 e( A k3 n1 R1 q {
* b7 V3 b8 o- }4 k& p A) Time management
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B) Communication- z) T- d; `) ]% x/ `3 Y" S1 J. ~
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C) Searching
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7 m+ d( O4 U% k9 f% P D) Managing space
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) v; _+ T, l) E5 N8 q5 Z P 20. When a vehicle loses traction in a curve and has a rear wheel skid, it is called:
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/ I& v* Z' m3 ?% R2 h& o' C A) A braking skid
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B) A cornering skid
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C) Power steer+ [5 f+ u% Q) n
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D) Understeer z& i# @" c# C# ?: z6 }" x
4 [6 v+ t ?4 J+ s+ I 21. To keep a safe following distance in an urban area, a driver should:! y- h. G& T* z4 b
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A) Keep at least a two car length following distance
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7 x) e3 x) K! f ]" |( d2 ? B) Keep at least a 2- to 3-second following distance
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C) Keep at least a 12-second following distance
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: {% b; x, f1 ]( T# `8 } D) Keep one car length for every 10km/h of speed9 Y( M9 S- F* z5 W5 D9 Y
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