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跪求高手给答案
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& e; A7 M! L5 [* \可以的话 解释一下原因 谢谢大家
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( g- Y: [; J4 m6 z1.Which of the following are best practices with respect to backing?
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A)Back at 10km/h) R& U. l3 h8 x( \- D: p
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B)All of the answers are correct+ a! ^5 K* m# B* b% f, ~% p. k* n
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C)Back to the blind side of the vehicle k; u# R- g& a2 \! j8 f1 p! V& ~
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D)Avoid backing whenever possible
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2.If you can't avoid a collision, what is the best action to take to reduce injuries?( w6 r1 v6 ]% e5 f, C# I: ?# p
A)Lock your brakes and turn toward the ditch
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; j" g. |9 q) Z/ W0 G- ? B)Use controlled braking and steering to collide with any objects at an angle% M$ Q: Y* n$ ] K7 c" W0 O
3 S o* _% t2 ?7 [) _* I C)Lock your brakes and steer hard to the left side of the highway
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+ o( z* m8 b5 i; m6 T9 Y! \ J3 J D)Slam on the brakes and hit head-on
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+ r' k# g5 ^' O" D- q 3.The most effective way to quickly stop a vehicle traveling at speeds greater than 60 km/h on wet pavement is to:3 G! b& g: n+ q9 S) g
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A)Pump the brakes
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& W" K/ c' _+ H2 M& B" A$ C, c$ c" P B)Shift to a lower gear and squeeze the brakes
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! i- R3 V2 e C3 Q C)Lock the brakes
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D)Threshold brake
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4.When driving a vehicle equipped with ABS brakes, the best way to stop in an emergency is:8 J: p) s: V* F: Y$ ~; b
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A)Apply firm pressure on the brake pedal0 I% w/ n1 d% s
8 t# M3 x& z3 q B)Quickly pump the brake pedal" Y+ [: z" F: Q* ^" z, G( I& I9 B- Q
% R% a3 r$ V- t( B, d8 n; c C)Slowly pump the brake pedal8 r9 ]1 ^' q% }$ p; N. P5 S2 f
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D)Press on the brake pedal until you feel a pulsating, then ease up e% O5 w& D+ f
. J3 ^9 j. f: U* P 5.What is the minimum distance ahead that you should look when driving?4 Y# ^5 E$ a# E/ k
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A)Four seconds ahead
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B)12 to 15 seconds ahead. A& Y4 l6 O% ~, N1 D4 j# ?
) a. A; ]+ y4 x( e C) Four car lengths
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D) About 1 km: N. N; a; ~ [& l+ v7 T- z( W' g
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6.Responsibility for the safe maintenance of any vehicle rests mainly with:/ X3 x2 U, C5 \& b% [. B5 I
" h0 e# i- Q: R( e* R9 O9 g6 v A) The automotive department or service station
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- x0 M* C" R7 V! g; n B) The owner/operator
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C) Law enforcement officers
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D) The manufacturer2 ^% x; x5 ^9 ~1 C4 d8 A6 c. R1 i
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7.The condition of tires on a vehicle is important because:2 x% r+ V# [* k! G2 I! D
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A) Contact between tires and the road stop the vehicle" H0 C! {& f* C# v
! a& f' O: Y6 i B) All of the answers are correct% W2 L) J6 V; i" a' w) X: s0 a# o
$ h% M. [3 |8 S2 h: L0 D: B, F8 W C) Tires provide traction
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D) Tires carry the vehicle's load6 O/ o7 i: y) F1 d! C
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8. A yellow traffic sign indicates:
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, _# d; R' }$ ~, k A) Roadside services7 B5 }) C; E& O+ o9 H, h1 X! O
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B) A construction zone
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' `: ?2 ^" t; U C) A general warning
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D) A prohibitive message$ k7 c I+ I$ N& n4 f, p+ ?$ o8 @
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9. You are driving on a highway when the left front tire suddenly goes flat. You should:
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A) Signal, pump brakes, and steer left R0 Q* p* Z. U/ Q' M5 o
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/ i+ K% V0 o3 l& K" m C) Grip the wheel firmly, engage ABS brakes, and steer right3 h8 ?$ ~3 z' J5 m
- `4 m/ N# a/ }9 G B. S D) Grip the wheel firmly, steer straight, and reduce speed without using the brakes
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3 U7 S4 \# a9 l5 Y. X5 H 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 correct
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C) Can greatly reduce the risk of injury
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& {# _2 P& x2 \; x3 w. O D) Can reduce the risk of having a collision
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6 Y b# r/ k3 b; Y( ?3 T6 B& I 11. You should return to your lane after passing another vehicle once:9 T, x) @& [7 ~# x
7 L% K' y* F" W# N& O6 J A) The other driver signals with the lights
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B) You can see the other vehicle in your rear-view mirror
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C) Your rear bumper passes the front bumper of the other vehicle j, M1 U. m0 `9 F1 D) f% }" ?
8 ^, e# i. R `+ ?# y D) You are 5 metres past the vehicle
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12. To be proactive and reduce the chance of road rage in other drivers, you should:
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9 M% a% X* Z! k+ W' p2 b A) Drive the same speed as all other drivers
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* C i* d3 R' _* m j B) Signal 30 metres prior to turns in rural areas
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. K( x" }" _7 [! f- } C) Keep a space cushion all around your vehicle7 V6 C1 @; f/ S* m
- w/ S9 U9 F4 V7 z8 A D) All of the answers are correct2 f5 J* @- p$ b# ?2 c! z0 M/ ]
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13. The first thing you should do prior to backing out of a parking stall is:4 R0 s. e/ Y* t7 U* k; v/ i) d! @% L# v. i
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A) Sound your horn twice
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1 v i0 ^- s& y8 y- r* r# o* P B) Proceed slowly. i8 r7 R; H+ n
J' N& u/ R' W( B! w% x: d3 c C) Walk around the vehicle to check for hazards
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2 [" B8 n }5 V" F. Q D) Use your mirrors and look out the rear window
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" |% \7 y8 i1 M: L1 N4 z( V 14. What causes most vehicle crashes?
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3 ^& \, k6 M! L* G, Z- ~5 v A) Traffic laws
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% N' i, }6 @6 H- n4 I' X B) Defects in the road5 w' r9 Y$ d6 j' g9 y
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D) Inadequate traffic controls
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15. A black/white or red/white traffic sign indicates:' O2 _2 |8 g S7 K$ o7 [
/ y5 A& Q' D' L/ e5 H5 R A) A construction zone$ g: U# U( n2 |2 z+ t1 ~0 y! `
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B) A general warning
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$ P: J8 K% j7 x6 E7 R9 k8 y C) Roadside services
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D) A traffic regulation2 Y/ y t5 P" c
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16. A flashing red traffic control light always has the same meaning as:9 A; P; r1 l* ]9 F" f
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A) A caution sign
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B) A yield sign( s7 h, m0 S' J* v9 Q& x+ |
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C) A stop sign8 I* h( N. D. h r
# o/ b K" n' _" s6 ?D) An ordinary red traffic light
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17. The major factor contributing to cornering skids is:4 W% r# c4 I( h8 c: S: j/ E. ^( {% f# z
, Y- v$ z! R. F# @0 {+ _ A) Entering the corner too fast4 V8 x; i; f* {- n+ r$ Y' F
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B) Driving with all season tires
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! w0 ?5 G' A3 {1 }1 @C) Braking sharply while in the curve* v0 y# B) v! Y' Z- r' p3 j
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D) Being unfamiliar with the road and road conditions3 o O0 F! h7 h/ _) v
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18. You will anticipate better when driving in a rural area if you:- k$ H- W& m1 q1 R3 e
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. `/ t6 t% [6 ~. }: e A) Check your mirrors every 30 seconds
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B) Scan at least 25 seconds ahead
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, W' J8 `! C. c8 X' V) b 19. Maintaining a 4-second following distance in wet weather conditions is an example of:
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, f! x, q9 h# \1 J, }# B% X# V+ B4 ]2 n A) Time management
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! l/ Q7 V/ L7 i4 ]* A5 h7 B! t& Z B) Communication" `: ~5 {- }7 U! {* j4 p
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C) Searching( b2 i8 ~5 ~' E+ N( V% Y9 Z% e
! \9 ]" V* ^4 J$ B* L) l+ r! ~ D) Managing space
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20. When a vehicle loses traction in a curve and has a rear wheel skid, it is called:( P9 B& V4 t/ A# I7 Z( v1 u: u4 Y
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A) A braking skid( b4 [7 Y( ~* C! ` [$ u; k) ^
8 f. U, q! j) n( }% T; w* f& G t B) A cornering skid) b& \! |9 U0 E% l4 b/ C1 t
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C) Power steer0 v$ f/ G5 c/ u( e
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D) Understeer
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21. To keep a safe following distance in an urban area, a driver should:
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A) Keep at least a two car length following distance0 I# n$ E. o6 A0 B2 q
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B) Keep at least a 2- to 3-second following distance
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) A5 z$ ?9 P- Q2 l1 |6 N, y# lC) Keep at least a 12-second following distance' k6 B7 O% d/ p
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D) Keep one car length for every 10km/h of speed% F7 c. a3 N0 }8 D
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