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跪求高手给答案
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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?$ C' @; w, d& g" j- |+ k
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A)Back at 10km/h8 H; H6 G' w* [' a! |8 Q: Z
" ~; C# X+ O, V' W B)All of the answers are correct- ?, G* @2 b9 `% u) c, i h
1 j X5 h( _, V' ~ C)Back to the blind side of the vehicle
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D)Avoid backing whenever possible. f) f A4 ?9 q5 E$ [
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2.If you can't avoid a collision, what is the best action to take to reduce injuries?5 H% U. i0 K3 x) q! {% p
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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; ^) e1 v, X. A3 F! e" i' Z' g C)Lock your brakes and steer hard to the left side of the highway
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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:
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p) |1 _9 s( y9 a9 i5 u0 A; v A)Pump the brakes, s3 [. B9 k% r( }
1 v) E! t( p4 Y) ` B)Shift to a lower gear and squeeze the brakes
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# H& p: d ^" t C)Lock the brakes& |0 W1 y9 D2 x/ P$ p! W
1 Q( F; W" o7 D4 |' q% M! t D)Threshold brake* w/ _7 M4 f M0 h3 a4 \8 T5 F- h
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4.When driving a vehicle equipped with ABS brakes, the best way to stop in an emergency is:* _/ ?8 g$ c% } [; Z
! M1 N6 W7 G% x2 P. Q; Y* Z A)Apply firm pressure on the brake pedal) D9 P/ e" f8 |; l. S& U) [* w, k
l1 T6 ?) s/ q5 |4 u! ` B)Quickly pump the brake pedal6 W( k: M) f& f0 |! F& f
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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?1 H6 K" d q. w: g; s# o
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A)Four seconds ahead2 P( s- u, e4 U6 d* K
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B)12 to 15 seconds ahead- m/ L5 d( `" V5 e8 p3 `3 s+ d
$ |# _1 r7 T& ]: g. W C) Four car lengths( H- y2 P0 M' v4 W9 H
$ S& d+ ^& j( x) ]! V+ p D) About 1 km
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- q/ e& U1 ~7 G J3 a4 @ 6.Responsibility for the safe maintenance of any vehicle rests mainly with:1 N1 Q2 A. x% O3 {/ M9 s$ y
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A) The automotive department or service station E: ^# g3 P; u: T9 e) i
2 Z$ t4 @/ b% d% R/ y. f B) The owner/operator# K3 I) X0 |/ O
& A. p- Q2 G p; u% _$ p C) Law enforcement officers9 [6 v, N m6 A
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D) The manufacturer
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7.The condition of tires on a vehicle is important because:/ p' U* c& Y1 g A
: ?6 V1 U. E- o5 U A) Contact between tires and the road stop the vehicle7 F" K0 D5 P# [5 p0 V/ j
! j! v6 c+ T$ b0 f0 I: C B) All of the answers are correct
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% z n* i* C9 r, { C) Tires provide traction
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* `" ?. T5 ? h/ F+ x6 V! o1 x D' z D) Tires carry the vehicle's load
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8. A yellow traffic sign indicates:
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A) Roadside services( s' M$ x- R+ W2 U
$ F4 P8 g; \5 k1 R0 M# z2 d B) A construction zone
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% _* D4 l R6 d3 ~8 I. { C) A general warning
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D) A prohibitive message
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! a* u, y+ `, P 9. You are driving on a highway when the left front tire suddenly goes flat. You should:
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2 ?8 a( J( b- m' j( L A) Signal, pump brakes, and steer left
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B) Signal, pump brakes, and steer right
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C) Grip the wheel firmly, engage ABS brakes, and steer right G' b) y8 }, f( H Z
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D) Grip the wheel firmly, steer straight, and reduce speed without using the brakes3 d% j& Z8 f( n! H$ Z
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10. Properly understanding an anti-lock braking system:& [% T j( f1 y- g O
5 q4 \1 H$ j# l6 ]' P A) Can help drivers be safer on the road, S2 t; D. M( L+ h9 S
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B) All of the answers are correct
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C) Can greatly reduce the risk of injury! i c" O& \/ n ]) S" @
* x4 ~9 u% U" A7 }0 Q D) Can reduce the risk of having a collision
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2 ]6 U! _) |8 V 11. You should return to your lane after passing another vehicle once:6 F8 D' N3 T4 Q) B
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A) The other driver signals with the lights1 K. A* n7 E# |5 W4 D! I
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B) You can see the other vehicle in your rear-view mirror9 |0 ?2 O; A! T+ Y
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C) Your rear bumper passes the front bumper of the other vehicle( ?6 B; l r/ E( D
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D) You are 5 metres past the vehicle* Q7 X4 Z- \" ]9 [, R) ]& U$ ^
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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
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B) Signal 30 metres prior to turns in rural areas
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- `* z2 a) Y% K C) Keep a space cushion all around your vehicle
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- d- t- u6 \9 w% Y, \$ ~5 u$ _ D) All of the answers are correct
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" R! T& | {" r+ B" e: h* g6 } 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
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B) Proceed slowly/ g2 F0 G% n& _% i8 y5 e
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C) Walk around the vehicle to check for hazards& s( R# z: T) j& S
7 x, ?4 t& e7 E+ ^& Z$ J/ C D) Use your mirrors and look out the rear window
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7 J: ?7 ~+ `* O 14. What causes most vehicle crashes?; M* a/ {- j, Z2 o# Q$ [) X% W2 b
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A) Traffic laws
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% E! t0 O3 {" l; }, W6 B B) Defects in the road
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' y) p5 n- V9 y. k) i3 T C) Human error
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D) Inadequate traffic controls1 m2 n/ \1 [& S$ c
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* I$ E9 m( O7 h4 H7 j 15. A black/white or red/white traffic sign indicates:- p( Z( b# O8 v1 m: E
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A) A construction zone
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9 b9 t; a# q" [8 fB) A general warning1 v) k. `5 {1 E+ E. U, F
, _/ v( ?8 d/ S9 s! l- \ C) Roadside services+ P. Z% o# Y0 L/ e \/ B: k8 f
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D) A traffic regulation/ `3 {% q" Q6 L
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16. A flashing red traffic control light always has the same meaning as:
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A) A caution sign7 E! F% k4 c$ Y6 C
% n( y* a z- i8 T' i! jB) A yield sign
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2 g' i1 {2 ]7 w# s' R* h5 y9 I3 w" k8 P- DC) A stop sign
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# M b7 v" _% U3 T: z XD) An ordinary red traffic light1 z/ ^5 P- `' \1 s! ~$ y1 w/ W
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3 s; u' O* j. P4 H17. The major factor contributing to cornering skids is:
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A) Entering the corner too fast- `* i. }+ R; d$ a
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B) Driving with all season tires& K7 h s# d* |
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C) Braking sharply while in the curve& _; p+ C' X' h) a: w" Z
5 s h) [+ q( [# A0 T: ?+ D/ l4 oD) 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:, v. U7 ?1 u1 v a1 G& Q
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A) Check your mirrors every 30 seconds; g* E" t" t, I1 r
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B) Scan at least 25 seconds ahead+ `4 f# p5 U, q
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19. Maintaining a 4-second following distance in wet weather conditions is an example of:2 l, P7 D$ O% \) v2 n: t
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A) Time management
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2 F7 Q; h u. P6 ] B) Communication
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C) Searching
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D) Managing space: |. E$ W ?. z; a& Q6 e, U
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% y6 J I- T5 p. G 20. When a vehicle loses traction in a curve and has a rear wheel skid, it is called:7 a0 R- _7 ?1 M3 q; ~ c, U
7 }, Q. d& B" | A) A braking skid) U) @3 X9 P: Q4 a6 N; Z! H- `
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B) A cornering skid a8 ~ \7 z, X( v+ D! M% U+ G5 p
/ C7 k+ Q5 M' M/ z9 J C) Power steer1 O, m9 M$ y6 r; R+ b, i; l' x a
& R* k, S/ U6 j7 R D) Understeer2 C* k! O# w& t& W1 Y
( @0 S K9 }3 M( E 21. To keep a safe following distance in an urban area, a driver should:% N' D0 `. \: b% l$ Z/ w" S1 V4 }
2 L) _+ j8 Y* h0 s8 V2 }4 G/ z A) Keep at least a two car length following distance
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/ u6 g: U/ P( d B) Keep at least a 2- to 3-second following distance( B3 ?2 s6 c0 U) O: r, ]2 R& h. L8 [2 W# i
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C) Keep at least a 12-second following distance( U' ?* Z$ |" ]. k9 r( g4 O5 @
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D) Keep one car length for every 10km/h of speed
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