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跪求高手给答案
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$ n8 Y5 m- I' y ]7 x可以的话 解释一下原因 谢谢大家
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1.Which of the following are best practices with respect to backing?2 X4 G1 z4 W3 v; B- O' N; @
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A)Back at 10km/h( @6 V9 Z" B+ j
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B)All of the answers are correct; z |- Y5 i8 ]' X( |, ^+ b. w
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C)Back to the blind side of the vehicle
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D)Avoid backing whenever possible* w& I* q" O `- B x$ k% p
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2.If you can't avoid a collision, what is the best action to take to reduce injuries?3 f- I. R6 R0 _0 a6 ^
A)Lock your brakes and turn toward the ditch
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B)Use controlled braking and steering to collide with any objects at an angle
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* n) n4 l/ ]6 q. r4 F9 r% e C)Lock your brakes and steer hard to the left side of the highway! ?5 }' b9 T' D: i
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D)Slam on the brakes and hit head-on
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3.The most effective way to quickly stop a vehicle traveling at speeds greater than 60 km/h on wet pavement is to:9 N+ L, X: B% y
4 ?" Z& M7 a- J3 ?& Y1 b A)Pump the brakes* y* y6 h1 C$ l5 I
# S$ r+ p# K- {) [1 D B)Shift to a lower gear and squeeze the brakes+ v2 S& I, ~* ]
1 _( _- t# S: m$ R1 g3 i( n C)Lock the brakes
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5 N9 I) N! j# A/ M0 W D)Threshold brake4 s3 Y) f3 j& b0 P- q
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7 Z: [( j a1 h% t9 p$ b 4.When driving a vehicle equipped with ABS brakes, the best way to stop in an emergency is:
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A)Apply firm pressure on the brake pedal
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7 e+ q5 i8 y3 D( R/ U B)Quickly pump the brake pedal) b$ x5 v' {1 E4 H H6 l
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C)Slowly pump the brake pedal: J8 Z6 [) R0 j( T$ d
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D)Press on the brake pedal until you feel a pulsating, then ease up4 B4 z0 j# N/ |! d8 s
9 s5 n N' z" e9 N 5.What is the minimum distance ahead that you should look when driving?
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6 A$ c, ~* d3 @. y5 W4 @! O% _ A)Four seconds ahead
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0 M6 b' a+ t( L2 m; K4 I B)12 to 15 seconds ahead
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0 k6 @+ m c. \4 U8 j. A. [! Q7 g1 L C) Four car lengths q8 K5 a0 h+ x
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D) About 1 km
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6.Responsibility for the safe maintenance of any vehicle rests mainly with:/ ]5 h; T! q6 o4 ?/ {1 X$ Q" u
) g1 B: n* R1 [4 R% F' v9 [3 ]! k A) The automotive department or service station
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$ N. u) I# v! v& H B) The owner/operator
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+ D8 w# W0 X0 h- m7 ], e C) Law enforcement officers
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D) The manufacturer
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7.The condition of tires on a vehicle is important because:# m7 P) y/ }& H+ K( n6 k" ]- R
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A) Contact between tires and the road stop the vehicle
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4 M$ i6 r% B+ s# R, U# K B) All of the answers are correct
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/ k; t7 H1 J6 X C) Tires provide traction- C! Q, Z; p$ m" n
5 _, Q. n9 |# j% A. X D) Tires carry the vehicle's load
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. t! }7 G- r$ S" r" K: y 8. A yellow traffic sign indicates:
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3 ^, D4 W! B6 w# s A) Roadside services
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B) A construction zone) F2 N0 V' M7 R' M, B! v+ r
Q. A d" K6 s4 N C) A general warning1 x: W1 U+ k9 r! N+ V9 s$ [
. @4 r# J# v. s( O1 F/ c D) A prohibitive message- w% ?6 v# y! Y, l# m7 i; d
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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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- y7 }5 g* P% T: f+ K5 s A) Signal, pump brakes, and steer left3 S, @$ C3 h; y3 R+ @. |
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B) Signal, pump brakes, and steer right
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' X8 z+ X2 d5 u- V; Y2 J C) Grip the wheel firmly, engage ABS brakes, and steer right! j2 j( M6 ^1 v) V1 L: W
# ^1 i0 V7 I% @" x% C D) Grip the wheel firmly, steer straight, and reduce speed without using the brakes+ x( v7 H& o; B$ I: M* s$ O
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10. Properly understanding an anti-lock braking system:
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0 n/ i/ w7 |/ {6 U* p/ N7 e% y: a A) Can help drivers be safer on the road9 S7 j& g; z% H% M' p# C
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B) All of the answers are correct6 ]3 \# U K0 F* C
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C) Can greatly reduce the risk of injury
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( F; j* v% \% l, J8 o, }# W D) Can reduce the risk of having a collision
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4 T# ]$ W N/ d5 X* e 11. You should return to your lane after passing another vehicle once:
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: Z& t/ m/ a4 w P* F A) The other driver signals with the lights" s: ]8 m, I1 t0 [9 G2 c& v
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B) You can see the other vehicle in your rear-view mirror
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6 I, e! T1 P% z C) Your rear bumper passes the front bumper of the other vehicle
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D) You are 5 metres past the vehicle& k2 a7 _! M4 G( P6 z) L
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12. To be proactive and reduce the chance of road rage in other drivers, you should:5 R2 S9 v7 P# q
# Q8 {, E! I R' J: T8 w A) Drive the same speed as all other drivers
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1 C/ ]3 e% v: l B) Signal 30 metres prior to turns in rural areas
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C) Keep a space cushion all around your vehicle
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! r1 ]9 [7 `0 t/ I* k D) All of the answers are correct) j- P+ V1 H4 F; q, }- b
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13. The first thing you should do prior to backing out of a parking stall is:8 [; `" U! ]9 i# b
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A) Sound your horn twice
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" G) u( `7 I0 j3 ~/ S `! _ B) Proceed slowly- S; K4 n! c/ ]7 D1 f6 z/ X9 m X* O
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C) Walk around the vehicle to check for hazards
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* i. L; _" A" W( b6 ^ D) Use your mirrors and look out the rear window1 c' M7 B, w2 U4 U& |2 P
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14. What causes most vehicle crashes?' H; ~, u! S4 \4 J8 Q
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A) Traffic laws! v3 t3 ]5 } t3 g# r6 }/ m1 s
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B) Defects in the road' P1 j2 O6 J: ?
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C) Human error( N# w H! f( `0 ^; q- {5 J% E# n
3 u5 Z% P/ k5 T( @ D) Inadequate traffic controls- t3 g6 a/ ~" Y4 j
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" p* z/ r. g+ e" [1 {: [1 [* g 15. A black/white or red/white traffic sign indicates: ?9 _, j- c% }3 s8 z/ c
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A) A construction zone0 t+ J3 D+ y5 @; m( ]! T; Z
1 ^2 o5 g0 z/ X/ ? `% r5 rB) A general warning
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) Q% i4 E8 j+ d0 |' ~ C) Roadside services2 P$ q0 J+ `9 i! |+ ~
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D) A traffic regulation- o$ w7 m3 E' Y8 K
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16. A flashing red traffic control light always has the same meaning as:
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% v# u) D0 U: PA) A caution sign
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- N( F% L f8 y9 a2 @! @% i' O' rB) A yield sign
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, s p" E+ u; k; c2 i+ l* Q8 a. v. n+ NC) A stop sign
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D) An ordinary red traffic light- |8 {) c8 U) a' G# U" `/ G
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9 n8 B* K. r6 s17. The major factor contributing to cornering skids is:
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/ y B9 e J/ I% A A) Entering the corner too fast
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, f8 z5 y! @# b+ eB) Driving with all season tires( R+ b0 \ g8 c4 w$ V* e' B
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C) Braking sharply while in the curve5 A4 r) C `! E* o
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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:6 z* s/ y* c0 y: v: |
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1 |+ B, M0 ^) R. @ A) Check your mirrors every 30 seconds% G8 _/ L: H) o( x6 T8 G- w" ]
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B) Scan at least 25 seconds ahead
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$ a1 |8 V$ i. E/ i" n% c' e! L 19. Maintaining a 4-second following distance in wet weather conditions is an example of:
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A) Time management R( |1 ^( n# z) N/ x3 x: _/ w C5 Q
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B) Communication
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) N n6 O3 }) @% O6 O- z) }: L. L4 N C) Searching" ~7 S; A: c+ j8 V8 g; S; u; p3 Q2 y0 A
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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:
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A) A braking skid6 L2 R6 ?/ [9 B$ s3 S f; [, b9 B) R
# l3 C& w$ W0 ~* {! [ B) A cornering skid
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% u9 i; [/ |! k4 m: @6 C" N1 y, B# m C) Power steer
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D) Understeer8 `! i, X( Q8 B/ X3 t# y3 \
; R1 ?; H* v) b, ?* R. u 21. To keep a safe following distance in an urban area, a driver should:7 I3 r( E5 j5 C8 P* B! R
1 e. }" Y7 @. ~4 c9 J) J A) Keep at least a two car length following distance
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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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% w, j, i1 t) I! k' R D) Keep one car length for every 10km/h of speed4 S" M" i1 G0 _: N# k
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