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| 跪求高手给答案 3 J" ~/ `$ D  j 
 ; x# E/ i  q9 x4 e# N+ C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?9 c) j& v# n5 ~4 e9 y
 
 9 z6 Q7 P' S: m( i8 |& G    A)Back at 10km/h8 Z7 A1 c- ?+ U! r$ F/ S* w, {) B
 
 - G3 d# r' \. }; Q2 p    B)All of the answers are correct
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 C)Back to the blind side of the vehicle3 N3 f0 I# z. i  u: z* Q* R7 Z# F
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 D)Avoid backing whenever possible, m/ U. T1 y+ p0 e) ~
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 2.If you can't avoid a collision, what is the best action to take to reduce injuries?
 0 I/ c% b0 Z# A! _, x2 ]  A)Lock your brakes and turn toward the ditch9 I/ b0 q. z9 ~5 d, @
 
 & m# J( Z6 n& e$ c# f    B)Use controlled braking and steering to collide with any objects at an angle
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 / G/ S$ [+ {/ Z; h8 M7 K$ K% p    C)Lock your brakes and steer hard to the left side of the highway- R$ y1 |" b6 a0 g9 c8 b" V8 M. T, r
 
 , x$ j- ^) p, q& t/ y    D)Slam on the brakes and hit head-on8 O8 p' l5 _4 u+ P, Z6 }' N
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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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 8 }& |) W, F6 {, D1 W    A)Pump the brakes# N9 B2 u7 P( A2 T& ?
 
 0 u3 r0 k( ?. t, d9 F. f, J1 A2 s    B)Shift to a lower gear and squeeze the brakes; A3 K" a8 ^4 }8 L/ \
 
 / ]4 m6 ?& M# E4 z" S" E6 ?    C)Lock the brakes1 f3 @) f: `8 w& x! f8 |
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 D)Threshold brake% p6 w3 R6 v+ _" F2 c
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 8 L. ~2 ~+ `4 m    4.When driving a vehicle equipped with ABS brakes, the best way to stop in an emergency is:+ k; i  G7 F" T* z
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 A)Apply firm pressure on the brake pedal$ @) d- y2 S  h/ O
 
 8 i/ N( [0 w+ H) c    B)Quickly pump the brake pedal
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 C)Slowly pump the brake pedal
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 % p" ?* A  c8 ^% R: K% a    D)Press on the brake pedal until you feel a pulsating, then ease up: R0 X' d/ L% x6 d
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 5.What is the minimum distance ahead that you should look when driving?' t! d- B8 a8 G" \
 
 ; H: Y: b  l% ?$ Y( T" G   A)Four seconds ahead; `4 E2 ^+ J0 D6 ~; Y
 
 " h5 p* n9 W1 Y& Y% _8 t    B)12 to 15 seconds ahead9 P! W$ {7 t* u  y5 O
 
 6 B% z2 r9 T' N1 M   C) Four car lengths- L' M  E4 Z2 ?& U  N5 w9 _9 K
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 D) About 1 km
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 0 X' w6 B' ]- @4 U' k+ ^9 p    6.Responsibility for the safe maintenance of any vehicle rests mainly with:4 W- l9 V4 K5 T5 L
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 A) The automotive department or service station2 t- {% a- J% y0 \
 
 3 D6 n$ K# m$ g) }  a. Q  B)  The owner/operator, f4 g% ~6 I: t7 A- Z  t3 f
 
 5 z& z8 P4 _# }/ o& ^  S) a9 p   C) Law enforcement officers
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 , X0 Q& N5 |! X" W* `: g  D)  The manufacturer
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 7.The condition of tires on a vehicle is important because:* @" p0 J2 @* I6 G
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 A) Contact between tires and the road stop the vehicle
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 , k4 i* \6 j3 B* R  B)  All of the answers are correct! H% X* t2 C# b
 
 & U! W# ^, h+ b6 N3 `   C) Tires provide traction
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 & \, A: y$ ~+ g# ?8 M2 ~  D)  Tires carry the vehicle's load
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 & ]  J! X& m; M. a   8. A yellow traffic sign indicates:  @$ }4 a' B1 s3 X4 e) R+ J+ I
 
 + z2 u. D$ x5 [* n9 ^   A) Roadside services  o  r& U' z$ k, r
 
 8 W. o: R5 U( m7 s( _9 t   B) A construction zone
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 : [* V9 f6 R, t0 d+ [0 U0 J   C) A general warning
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 ) |" s. D  ~- h. w* E$ J   D) A prohibitive message  Y" S; M8 t+ V* \4 {# v) K
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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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 * e) O5 V: v! U) W3 ~7 n   A) Signal, pump brakes, and steer left
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 B) Signal, pump brakes, and steer right/ [+ p9 x/ _; k+ A9 M4 |0 F' _( j3 ~
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 C) Grip the wheel firmly, engage ABS brakes, and steer right! u- q# ^' H5 Y8 O" b
 
 - y* `3 s/ P6 h   D) Grip the wheel firmly, steer straight, and reduce speed without using the brakes2 c; K6 `7 `$ H+ ~4 f2 I
 
 1 o3 w; `6 Z, M3 ~9 c  10.  Properly understanding an anti-lock braking system:( m/ G0 N: i6 G, f, [# r0 C) I
 
 $ w' D$ `& f+ l& o   A) Can help drivers be safer on the road% Y, x1 @$ w) u# A  s4 o4 y
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 B)  All of the answers are correct. M$ ?$ f5 S) P& \; S. c
 
 1 A% E2 u; W. o5 U% x3 B! v  C)  Can greatly reduce the risk of injury$ s* Q4 _5 X" o- ?+ E, R9 W! M
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 D)   Can reduce the risk of having a collision
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 ! e) z# G- r% C* X0 ?) I   11. You should return to your lane after passing another vehicle once:8 }7 C3 g$ V1 p- v
 
 0 B& Z" [1 d/ m" i# h   A) The other driver signals with the lights) r/ R$ z- a2 l$ ~& j
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 B)  You can see the other vehicle in your rear-view mirror2 K" c9 U4 M) |5 \6 v/ i: K
 
 / |+ e7 D/ |; @* |+ l  C)  Your rear bumper passes the front bumper of the other vehicle
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 D)  You are 5 metres past the vehicle
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 # V' _0 r+ T% P! c" |6 W- `% \2 g  h  12.  To be proactive and reduce the chance of road rage in other drivers, you should:7 A, J* c8 W/ h1 j3 |- V
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 A) Drive the same speed as all other drivers$ @. a* e; \. ?2 {$ R6 \
 
 ! W3 y" a# O0 ?/ V9 C   B) Signal 30 metres prior to turns in rural areas
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 . O$ z. |8 n6 P/ B" u+ O9 N( s3 p/ l  C)  Keep a space cushion all around your vehicle
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 D)  All of the answers are correct  S; a$ }" C9 N; v- O
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 13.  The first thing you should do prior to backing out of a parking stall is:
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 7 n0 K/ v6 {' Z( W6 F0 e6 ~) }  A)  Sound your horn twice; Y  f' o6 f' x9 g+ W! z. n
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 B)  Proceed slowly! l! O3 e2 i6 X4 @/ x% A6 P% @
 
 ' I) \% [4 Z7 Z4 i5 q  C)  Walk around the vehicle to check for hazards) E& |8 P' c& f; e# y- v
 
 $ A8 n5 M! W/ o6 P) t  D)  Use your mirrors and look out the rear window
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 2 k% y& H1 h" k; J8 Y3 o+ G9 @   14. What causes most vehicle crashes?# T% E" ^  v5 L6 ?# `/ C0 ?+ j/ b  z
 
 3 Y7 @4 _* ^: ?! [  A)  Traffic laws4 M; k0 A* x5 o6 ]. I+ q! x' t
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 B)  Defects in the road) \( p, m/ r5 p
 
 & l! X0 H) @3 n# E& j6 |  C)  Human error  b& N, e1 _& A3 L, |0 ~& T! V
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 D)  Inadequate traffic controls
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 15.  A black/white or red/white traffic sign indicates:( g& i) a; F( _- c, M9 X) Z
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 A)   A construction zone6 |" t1 h% t5 |" y
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 B)    A general warning; ?5 d, Z% e3 }7 p: y
 
 , \" g$ B: H% p1 M7 @5 A" k C)   Roadside services8 {7 j! }- r, X# y+ _) Q
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 D)    A traffic regulation4 Q+ e2 |1 [8 s* C3 B8 z
 
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 16.   A flashing red traffic control light always has the same meaning as:
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 A)    A caution sign2 A8 b& K6 J8 F5 i
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 B)    A yield sign
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 C)    A stop sign- }& f5 T2 I) w9 `. R
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 D)    An ordinary red traffic light) l" z- V0 a4 v' ~, }3 z, G
 
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 17.    The major factor contributing to cornering skids is:0 Q4 v3 r: Z; }& [- x9 [0 M$ @) \9 S8 w
 
 & V4 j# |/ r5 s8 x  A)  Entering the corner too fast& F! d1 [9 f6 o* L2 ~8 E8 H
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 B)    Driving with all season tires
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 . ~: D1 j( [+ \$ \! [' _' r+ cC)    Braking sharply while in the curve
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 D)    Being unfamiliar with the road and road conditions4 ]. D/ R# f- N+ P4 Y- k' _8 j
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 " L' C+ F. j  N$ m0 {7 v) y; H2 Y  18.  You will anticipate better when driving in a rural area if you:9 V- \' a& P4 d  a3 {
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 ) k( K# e5 a7 e   A) Check your mirrors every 30 seconds1 h. S1 P4 E* t* U- N$ _/ G
 
 " u+ I8 Z7 a( {" l0 `$ T   B) Scan at least 25 seconds ahead
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 4 M: j0 q) J, j, i' |+ N+ x    19. Maintaining a 4-second following distance in wet weather conditions is an example of:9 q/ [0 l' F$ |0 H
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 A) Time management; \, k" i  N% _
 
 ' r! l" R  I/ a   B) Communication4 N) e5 {& E/ L# u
 
 e0 ?2 r5 P7 l2 R! y1 u& Y9 p) \  C)  Searching
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 D) Managing space0 S+ e8 y; e# ~  L# o. m$ B4 o
 
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 * w3 R, [, w; e& B1 w4 L  20.  When a vehicle loses traction in a curve and has a rear wheel skid, it is called:# N% F8 h7 h! L& j# l
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 A)   A braking skid' K* z' e* w2 a) i2 F
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 B)   A cornering skid7 l9 a' _6 P; y9 P2 E% I; T8 k0 p
 
 # ~) f3 Q2 k. }/ s& Y) @0 l" |/ e  C)  Power steer1 `* {. W" l! S6 }% ^- b
 
 7 N3 T& U8 I. ^+ J. b& w: {3 y+ O2 n  D)  Understeer
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 21.  To keep a safe following distance in an urban area, a driver should:% F1 B  C9 u( |- s6 w' M
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 A)   Keep at least a two car length following distance
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 1 k% {7 Z4 }, w; n1 T& f B)   Keep at least a 2- to 3-second following distance
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 C)    Keep at least a 12-second following distance/ E! e$ n9 K; l* O+ T& X9 W/ G
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 D)   Keep one car length for every 10km/h of speed) V0 J/ J8 m) e1 Y( }; o
 
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