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跪求高手给答案 ; D% y3 P& s+ W
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可以的话 解释一下原因 谢谢大家
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6 s; X% \0 P/ x1 Y( I1.Which of the following are best practices with respect to backing?
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3 ~, L# I. t/ a" E7 c% L$ R A)Back at 10km/h
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B)All of the answers are correct
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; O' E& j- \5 t& U( `6 y C)Back to the blind side of the vehicle
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$ `* i( d; G. l6 L( j( j) @# M/ a D)Avoid backing whenever possible2 U5 [2 L7 [; u4 b/ H Q. @
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2.If you can't avoid a collision, what is the best action to take to reduce injuries?9 H; Z t) x f. x
A)Lock your brakes and turn toward the ditch
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# Q" \* T- ~- T: N B)Use controlled braking and steering to collide with any objects at an angle
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! b" \% D0 H, d C)Lock your brakes and steer hard to the left side of the highway4 I' z }4 {& l/ V' N
: n& L9 s9 j. g 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:1 J) }. n5 k k; ~9 M; H' z, n% D
, y9 D* @4 A, \# H5 p A)Pump the brakes
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B)Shift to a lower gear and squeeze the brakes$ s" z- b8 Y& u z
5 ]5 e- O% r4 Y. L1 o. w: n C)Lock the brakes
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D)Threshold brake* ]( P- ~7 f( l( l& Z. D ]
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4.When driving a vehicle equipped with ABS brakes, the best way to stop in an emergency is:2 c- s+ l3 X$ |# _$ A8 k( a
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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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C)Slowly pump the brake pedal* A- G4 G5 K3 b+ Z
5 I% Y$ d6 f5 a9 X; h D)Press on the brake pedal until you feel a pulsating, then ease up4 @; ^1 z5 e6 f7 n' R8 d
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5.What is the minimum distance ahead that you should look when driving?
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- x; R7 V3 s6 q% g A)Four seconds ahead; t' Z7 w7 `. y( c! L5 D
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B)12 to 15 seconds ahead0 L4 y6 L. u9 E( s/ Z+ K
2 j, I3 u, ^9 W' S, p3 F0 Z* c$ `+ N C) Four car lengths- B' V& [$ x, [7 @
/ E) O6 x1 t0 z/ i/ c l7 x D) About 1 km
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6 f2 A0 @9 o3 V4 l/ s" E1 e4 k2 k 6.Responsibility for the safe maintenance of any vehicle rests mainly with:
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A) The automotive department or service station/ B1 O9 ^$ K) K% c1 l1 F
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B) The owner/operator
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- n# o- @& [- J2 t C) Law enforcement officers! N6 W. p1 v& p' S6 A8 T
- u$ V2 w+ L3 \+ F5 \/ o" _/ A" | D) The manufacturer
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. t: U2 ], Z, T$ R' f6 \: e 7.The condition of tires on a vehicle is important because:3 f, A9 v% C% ]6 y. S7 \9 O: B
( y3 \6 v# {* |4 e& } A) Contact between tires and the road stop the vehicle
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B) All of the answers are correct
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4 t. Y1 B1 n0 b2 H H C) Tires provide traction+ @* `9 k. O7 A( }1 ?( I: w. o
8 R1 [0 m4 S( f D) Tires carry the vehicle's load5 ?& Y4 J. s ]" U" v
! R' W& w( C0 v4 U7 ~0 z 8. A yellow traffic sign indicates:& k- q2 W. V6 O0 T6 o9 X
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A) Roadside services
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B) A construction zone
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8 p0 r3 P- n k5 j/ [) [" v C) A general warning
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. |3 s9 r6 N$ { D) A prohibitive message
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Q8 B% G( {" Z7 J& G6 U( _ 9. You are driving on a highway when the left front tire suddenly goes flat. You should: U( c6 d1 b9 z: L# j! L+ Q
8 i! \+ O/ l: y0 L9 d6 N6 i A) Signal, pump brakes, and steer left& a X: V# Y3 D s8 u
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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
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( Z5 `$ g3 i; ]. H0 ~ 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:' G( D( {& F$ h4 M+ Y
7 A% P! H+ I8 M. r* k A) Can help drivers be safer on the road( Z( j) z) G8 ]1 e9 ?( f- L
; \( c6 H! t3 j1 r a( j B) All of the answers are correct
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C) Can greatly reduce the risk of injury, Y* U4 F9 ~0 Z( P
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D) Can reduce the risk of having a collision
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11. You should return to your lane after passing another vehicle once:
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( \, i7 ]. p) u; S7 F A) The other driver signals with the lights
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B) You can see the other vehicle in your rear-view mirror. p5 V) B( o" v: ~# k& [/ B
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C) Your rear bumper passes the front bumper of the other vehicle" O* s/ r7 f4 M' y( c
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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:7 E' Y6 Y8 h# s+ ~' t- _
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A) Drive the same speed as all other drivers3 q, b% E! _: Q$ i! J" x
& U- ^+ P3 A) }9 U1 ~8 |* ? B) Signal 30 metres prior to turns in rural areas3 X* R' f7 T. F+ o. `& ?
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C) Keep a space cushion all around your vehicle( c) e& h, o* s& x, }
5 u8 i8 Y% [4 R) `9 R" q6 T. X1 t2 A D) All of the answers are correct( F0 P( [5 I- a) ~. ]) e3 t. V+ P
' j' u( K. M+ p' @ 13. The first thing you should do prior to backing out of a parking stall is: h4 p( I2 D4 O! J: X* C0 M& X
4 f$ b) Y) E) j4 N9 T1 Z% U A) Sound your horn twice& R- S3 G/ m+ m/ ?/ o& X% h
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B) Proceed slowly0 H+ x. s/ ?+ t! B
9 s3 `7 v5 R+ L9 l- j C) Walk around the vehicle to check for hazards
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D) Use your mirrors and look out the rear window
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- O( M' k/ g# f: D ^& ^ 14. What causes most vehicle crashes?
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, u8 J3 \. L; E' d A) Traffic laws
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5 r8 ?1 H6 d& [ T* t: b0 z! c B) Defects in the road
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C) Human error! t' X9 _3 Q; \& m
2 W! q/ s3 i' L8 {( |& { D) Inadequate traffic controls* [( [& q ?% e+ _9 @$ ~
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, {7 V6 B+ P$ `( C/ K 15. A black/white or red/white traffic sign indicates:
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8 z: z9 d$ | x& l" N A) A construction zone# a/ Y v" K* ] Q/ O$ R6 V# t
5 @' y/ P3 q) yB) A general warning b% B8 ~: D: V% q1 w7 X: w; I
. A" }& b y6 T) @* g C) Roadside services4 Q! P& z8 F2 Y
. E2 y' y; y1 K+ d( \9 W. Y. FD) A traffic regulation
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* W2 N. T8 K. ? 16. A flashing red traffic control light always has the same meaning as:
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. h. j0 U, \+ I) @9 R' |$ VA) A caution sign
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* L* U$ j- B3 t C+ |# xB) A yield sign! p% p. k; e- @- V- j+ {; V9 L
. n4 u" C9 `2 c* `7 BC) A stop sign
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D) An ordinary red traffic light3 g% z9 x/ ^6 t& R) ?" g Y
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+ c( T9 r/ J3 H; p e17. The major factor contributing to cornering skids is:
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5 W% H! v4 M. F& h A) Entering the corner too fast
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+ B5 H( F( l4 ZB) Driving with all season tires
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( V% u: \: Q. `) V1 wC) Braking sharply while in the curve# a4 X' I1 Q# k! X+ P) d+ O
; L6 o# K% c3 q7 X, G4 C, AD) Being unfamiliar with the road and road conditions* x/ v' l1 h4 G9 L( A. M# v# Q
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8 C8 A* _; w1 O# F/ U5 y. a# b 18. You will anticipate better when driving in a rural area if you:
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A) Check your mirrors every 30 seconds* k1 f. |6 `- x# r$ K
( ^. U# z% I6 H B) Scan at least 25 seconds ahead
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- Z4 u2 t! | z8 M$ ^0 l 19. Maintaining a 4-second following distance in wet weather conditions is an example of:$ Y8 z" Y4 M `
6 l3 q8 f' c" ]! L& I* w3 N5 W A) Time management
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B) Communication2 k% k/ m- b6 k# \4 U) @& \
0 p' y. K7 b- m; m. g" H/ ? C) Searching7 a2 {7 j) t, _& u. o# x k+ ~
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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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/ @) T% j, g$ i: I A) A braking skid
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B) A cornering skid1 p; W5 W7 m% [4 K- \
- f# {) Z) j2 b! S! D: j& g C) Power steer
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D) Understeer
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8 [7 t( q9 H& J+ T- v 21. To keep a safe following distance in an urban area, a driver should:4 c* B9 C/ A. ?
! U. W7 D# `' J" Z4 Q A) Keep at least a two car length following distance0 q7 m; m! @; Z$ r
6 \- R) U9 P( e) f6 i! m B) Keep at least a 2- to 3-second following distance
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2 o* G* k+ j6 \. L5 ^C) Keep at least a 12-second following distance5 j. _. \- l, J" @# I
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D) Keep one car length for every 10km/h of speed
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