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跪求高手给答案 . t5 X5 L; H6 K' O
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可以的话 解释一下原因 谢谢大家
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4 d2 U- {* ]" K0 E$ Q1.Which of the following are best practices with respect to backing?
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A)Back at 10km/h; V' X6 Q4 z" R7 N4 E
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B)All of the answers are correct" e+ W' e( k9 h5 G9 W
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C)Back to the blind side of the vehicle
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* a. d4 F7 z9 Q. T& _6 w D)Avoid backing whenever possible0 S( a' L2 A3 J. ?, Q0 y& R
3 G- |/ [3 d7 V, ] 2.If you can't avoid a collision, what is the best action to take to reduce injuries?
2 D& X2 P2 L6 j9 H$ W A)Lock your brakes and turn toward the ditch
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) \) ]; j- D" C; u8 v B)Use controlled braking and steering to collide with any objects at an angle. E% b& |$ K) y) s& Q: G, n
1 y. W. S( u7 L+ F" o7 x C)Lock your brakes and steer hard to the left side of the highway2 r0 A5 p' L1 {* z
H* r; A+ |2 @% H" f& F6 E D)Slam on the brakes and hit head-on0 P2 O( C4 u5 I- `' c6 i' W
, D1 ~; e0 n1 f2 c6 B/ F2 R1 ~% @ 3.The most effective way to quickly stop a vehicle traveling at speeds greater than 60 km/h on wet pavement is to:$ ^ I" q$ A' _. a4 c
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A)Pump the brakes, R% C1 V/ K" o* r/ K
. f B* R! d" \8 `. p' C' P B)Shift to a lower gear and squeeze the brakes( m( N6 l7 V, c. G
* l6 M' L# `$ n) e( X C)Lock the brakes
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D)Threshold brake) [% ]7 M7 ^; g9 _
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9 p4 u4 f/ l) n7 j3 t% ^ 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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B)Quickly pump the brake pedal
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% U: @0 _6 c4 }# j: ]3 \0 L% r C)Slowly pump the brake pedal6 y& ?5 x# B% ~% C3 k
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D)Press on the brake pedal until you feel a pulsating, then ease up, A9 e7 a% X0 K5 c2 B6 I
8 I" X" Z4 p5 G" F4 p1 F2 j3 x 5.What is the minimum distance ahead that you should look when driving?5 @6 K$ _& e# Q: w H
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A)Four seconds ahead
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B)12 to 15 seconds ahead
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5 W/ N0 X+ d/ m. p/ L' z9 T C) Four car lengths; B( U3 q' Z0 s$ |' T: O
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D) About 1 km4 b9 a/ _; x% ^( N7 f H
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6.Responsibility for the safe maintenance of any vehicle rests mainly with:
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1 g5 J' A4 b) y8 q# N. Y A) The automotive department or service station6 f& C6 v* C# O. O8 Q% r; d) Q' `8 v
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B) The owner/operator e* q, j! V3 B2 g. t) r6 c
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C) Law enforcement officers
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D) The manufacturer
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$ E$ D( Z) A8 D: F 7.The condition of tires on a vehicle is important because:( }6 H9 s5 }+ g1 \5 E7 s, F
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A) Contact between tires and the road stop the vehicle) n! q! K1 W. Y: n4 W
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B) All of the answers are correct
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% D: N) s5 d( Y6 q* p z8 \& Q C) Tires provide traction0 ?% n# W0 |$ _5 B
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D) Tires carry the vehicle's load) b ]- T8 n% C y8 @/ k1 p' |
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8. A yellow traffic sign indicates:
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2 b" a$ R( U2 c' [, x A) Roadside services$ Q+ p0 q( O! O4 L& k! R4 B
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B) A construction zone3 [$ @9 _2 m& k8 @; n" r
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C) A general warning, R' Y5 l' ]" k' S2 j( L
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D) A prohibitive message" i; b3 t5 Z5 q/ y8 m; m! {
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9. You are driving on a highway when the left front tire suddenly goes flat. You should:( }# c7 ?& r, L9 A+ G7 N, R
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A) Signal, pump brakes, and steer left
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1 T c0 ^- V9 T) J B) Signal, pump brakes, and steer right+ J- }: J# O7 E, S( N" |: P D
( [$ |+ }- b/ V# T C) Grip the wheel firmly, engage ABS brakes, and steer right
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- T3 Y* K# F0 x D) Grip the wheel firmly, steer straight, and reduce speed without using the brakes0 k* N2 M! O2 d, k" y! K" w: Y1 D
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10. Properly understanding an anti-lock braking system:2 U! I9 P% c( M6 E @2 j! @
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A) Can help drivers be safer on the road
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B) All of the answers are correct2 H; z: p* j* y1 E
5 H$ Q( b4 Z! P# G* Z' S C) Can greatly reduce the risk of injury* G; J# w6 O/ N4 G4 |4 m
) l8 F# b/ ^* E( l D) Can reduce the risk of having a collision
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0 Z. P# i! `* q 11. You should return to your lane after passing another vehicle once:! T5 J# U/ D2 S5 D& p4 V' y
5 s( ]- C! V! ]8 f% Y8 Q- c A) The other driver signals with the lights
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B) You can see the other vehicle in your rear-view mirror; [ b6 P3 d( Y4 Y& S) R* c0 V. {
0 L- ^) ]6 B! y% k C) Your rear bumper passes the front bumper of the other vehicle6 `; @8 n( v! R! _4 K9 E
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D) You are 5 metres past the vehicle1 ^8 g: }- V1 U+ \
" r( W) Q) J* h+ C 12. To be proactive and reduce the chance of road rage in other drivers, you should:( [6 g G" w+ E( e( Z
, t8 G" [# z7 T8 p3 M- K/ U& B- ^ A) Drive the same speed as all other drivers5 H, K( f% ^$ i% `& k) T3 C
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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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( O! i* w% ]: H! M: G" Y D) All of the answers are correct
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13. The first thing you should do prior to backing out of a parking stall is:
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6 W; L. o8 |- | j m A) Sound your horn twice
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B) Proceed slowly
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$ Y# r% J' ]& g2 s+ b* T C) Walk around the vehicle to check for hazards( E* z) }$ P8 v A4 h5 P
. Q, t7 V" f) C. Z D) Use your mirrors and look out the rear window- i! G+ R3 k3 V+ W+ ]. }
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14. What causes most vehicle crashes?
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" e& z9 G! X9 j: ?) y1 s A) Traffic laws& v2 c: E7 K; D; S% v: Q5 g$ }0 J
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B) Defects in the road* X0 o) ~& T* i: X" L% y) K6 ]
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C) Human error
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D) Inadequate traffic controls6 O2 J! w. l. } o4 `; P
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15. A black/white or red/white traffic sign indicates:! b7 C& ^. F4 z2 l* P% u) t, ]
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A) A construction zone
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+ T: G: K {: T: m$ eB) A general warning! |0 m& r# P" v
' N* @+ U. T+ n) I) E C) Roadside services% Y) d2 m4 u$ ]: ~9 A3 A. ~: C7 `
/ Z1 @" O' l3 I. Z8 VD) A traffic regulation2 E# |+ H( M( a4 e$ @9 u9 n' G3 e, M8 d
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9 u- e6 J( |- ] G* i& R) O 16. A flashing red traffic control light always has the same meaning as:7 @" ?; }+ ?2 }0 w9 @
1 l. I2 `3 _/ U. `) ^' _A) A caution sign+ V. F% y0 `" C, I$ n) s
: T5 }6 i! h9 N9 K0 C; y" S; x& pB) A yield sign% O( I2 w) P8 D2 j" N
# p! z; z' I. B5 y- \0 m5 aC) A stop sign2 @" U9 U. X* I$ L0 R
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D) An ordinary red traffic light
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, @3 }) \; t$ e17. The major factor contributing to cornering skids is:( m: B) X7 N. ^' R" g
0 J* H. A. `+ E& j A) Entering the corner too fast$ M9 F! P$ U- j) q1 I) y3 A
; L1 x% _, E% {( Z% R# k% cB) Driving with all season tires
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* E. u0 @+ ]( `' e7 o: ~C) Braking sharply while in the curve
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3 W9 M, \8 w! C7 LD) Being unfamiliar with the road and road conditions; f0 X- A5 D7 H0 [+ Q
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4 A6 W. O2 N: ~ 18. You will anticipate better when driving in a rural area if you:( H, I# E5 E3 _# {- i$ u7 N
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: M0 y a3 Z$ h& s4 o- `' a; C7 J A) Check your mirrors every 30 seconds; t; B! N6 k1 f1 L4 ?6 e2 L4 a
$ e+ R" @4 T) p- V: c3 T B) Scan at least 25 seconds ahead+ k- U3 S; ?0 r j4 ^
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19. Maintaining a 4-second following distance in wet weather conditions is an example of:
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A) Time management/ _" }' U( b; m0 P$ Z& w/ e6 y
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B) Communication
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C) Searching
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3 D% d( O6 c0 h7 F 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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2 c5 u. u! [# A# n0 ` A) A braking skid9 ] u( T6 u; t; g& ?8 P
/ o4 D, S+ v' H7 F+ [; n B) A cornering skid
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4 l# J/ @1 k) W' ]) N- _. j0 F C) Power steer
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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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* X# X( y0 X" P; [& v A) Keep at least a two car length following distance
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1 M3 R0 k" N" L) C B) Keep at least a 2- to 3-second following distance. A' B c2 Z9 X7 f# ~: f
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C) Keep at least a 12-second following distance
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- f' f) L; D& L D) Keep one car length for every 10km/h of speed. U/ R" v! P7 W& Y
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