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跪求高手给答案 / w* W' I( c( ^/ Q; ~- J4 b
( \. g6 o/ w! T3 y, P3 R可以的话 解释一下原因 谢谢大家
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" ~; M/ F1 ?$ E% ]! V1.Which of the following are best practices with respect to backing?; L! h) J9 W: s& g6 o
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A)Back at 10km/h
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B)All of the answers are correct& c! u6 o) V1 Z# T* A6 ]9 z7 q, _
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C)Back to the blind side of the vehicle8 i; T; S3 ^' u* b, m+ F7 [1 K1 x1 P
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D)Avoid backing whenever possible
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2.If you can't avoid a collision, what is the best action to take to reduce injuries?
; l9 ?! d6 \* [" ~% H4 f8 {- \7 z A)Lock your brakes and turn toward the ditch
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; v$ d5 @& V) ~ h B)Use controlled braking and steering to collide with any objects at an angle u/ w1 |: U6 U7 [$ @- P$ l7 y: w
4 S, J8 c! P4 J1 c2 Q3 ~ C)Lock your brakes and steer hard to the left side of the highway) A/ r7 e% T0 {+ N6 d7 S) I
7 |9 A+ X0 F$ e+ a, a; M4 b3 N D)Slam on the brakes and hit head-on
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& [8 [+ p2 d( K 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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/ S6 d% D7 | e0 {# Y7 U' _8 ` A)Pump the brakes4 O" r) p/ Z3 X- G* E1 Y7 i& d: s
* L% S+ L8 s* N8 O% _# q7 g B)Shift to a lower gear and squeeze the brakes# F0 W1 r3 z- ~$ b) n e6 G' h! O
: f! S2 m/ ^+ }0 A C)Lock the brakes7 ]( _) s( l3 n
6 ^( p& O! W* S- Z/ F D)Threshold brake
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( [0 x* M9 }: e( v" i$ S 4.When driving a vehicle equipped with ABS brakes, the best way to stop in an emergency is:
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2 a s9 M1 P# j4 \ A)Apply firm pressure on the brake pedal
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; N0 p5 x- R& M: B B)Quickly pump the brake pedal
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1 g7 k6 _- L Y- J/ V! h C)Slowly pump the brake pedal2 K6 @8 N+ f: v7 e: ?& |
9 q" B+ c: }7 m3 {: l D)Press on the brake pedal until you feel a pulsating, then ease up/ F, O$ j e/ @8 a7 E" k
3 w" K# M- c% X 5.What is the minimum distance ahead that you should look when driving?
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) b! _8 ^2 O5 G8 k6 s4 \- O A)Four seconds ahead0 X- u% M3 h# x; U+ R0 x
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B)12 to 15 seconds ahead& ? ]7 i" g$ C: c3 \% h8 Y
! O& ]/ z' b, w) N( g C) Four car lengths
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D) About 1 km9 M" J' T5 ]/ F5 {; Y9 B* r/ i+ ^
& O+ m5 P5 c: u2 H: M/ d 6.Responsibility for the safe maintenance of any vehicle rests mainly with:
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- [, ]( S4 F# ^" S1 h! `0 K1 I& u$ W A) The automotive department or service station
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3 i6 @: O6 j' r& m5 C( x B) The owner/operator! k) `, a: f% S0 i
2 D- c( v( f0 O( D2 s; m- ^( B1 k 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:" x& v$ |5 g) G% a7 s
# ]/ s7 O" m! |, O% ` A) Contact between tires and the road stop the vehicle0 g& m* N2 A6 H5 B
; p# ^( k% H+ Y8 I! r, ^& p7 Q/ \" p B) All of the answers are correct( f2 }. s8 {: |8 I
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C) Tires provide traction% a2 z: h! b; ?( X& j& I" S; V1 u
. C5 U1 p5 b' R* R D) Tires carry the vehicle's load- L z2 W, {9 _( u v# R+ l
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8. A yellow traffic sign indicates:; [0 f; I) o# h! k# m+ i
) {8 H$ k) a% H2 k; V A) Roadside services
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/ P) e5 P K0 d+ J2 u B) A construction zone; X8 h C; f2 e: P" C2 t
# v8 ?6 i+ @8 w5 s$ R C) A general warning
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D) A prohibitive message) Q% y/ x2 q- }: b0 ?
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- Z0 T5 |- a5 B6 |) h4 ^0 @- l 9. You are driving on a highway when the left front tire suddenly goes flat. You should:
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A) Signal, pump brakes, and steer left( R2 h" i$ t& ^& q: \& c- G$ ?
/ U( {& G4 o ^% S* l% P* @3 ]! e 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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2 ~. A2 o) }5 ]( b4 K D) Grip the wheel firmly, steer straight, and reduce speed without using the brakes
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+ V) e2 _* b& L T" ~; d+ k 10. Properly understanding an anti-lock braking system:
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% a; Q+ f3 s8 H1 ^& ^; E1 \ A) Can help drivers be safer on the road$ t8 j! T ~* G; O
4 A3 B! P: t8 q% H! t3 u3 t B) All of the answers are correct0 Q# B$ `# c2 l; j0 \" f2 |0 T
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C) Can greatly reduce the risk of injury( b2 I8 s2 l- L
" V. |& `) }5 M0 U5 q) C* Y; Y D) Can reduce the risk of having a collision
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6 P& h. B q4 p( f 11. You should return to your lane after passing another vehicle once:7 }# w4 [0 g" h; C/ x7 z" x9 j" a
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A) The other driver signals with the lights
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$ ]3 m; h) b" U0 v% {6 N B) You can see the other vehicle in your rear-view mirror
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C) Your rear bumper passes the front bumper of the other vehicle+ o/ s" n* T* f9 }
1 w& `" D3 s( D/ x; g; `) s 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:
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A) Drive the same speed as all other drivers4 h7 e. i( u6 A; Z |
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B) Signal 30 metres prior to turns in rural areas! _1 I1 f3 f. I M5 R. i
! j4 K/ G' v, B! j+ i C) Keep a space cushion all around your vehicle5 m- A4 Z3 Q; K @. v8 T
5 c, ]9 e1 D5 H 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:9 k7 ~8 Z5 p0 ]/ \
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A) Sound your horn twice* c* o( g1 A, w7 [# ?- ], n
) i. w7 X4 L! r: V" J' O2 i" \- b8 K B) Proceed slowly/ q) t/ K1 u( q1 P" F s
! i |2 _- K* T* _4 u0 W C) Walk around the vehicle to check for hazards
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9 F6 Z) }6 J, G. k+ ~7 d D) Use your mirrors and look out the rear window
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* y' |& a1 h- k 14. What causes most vehicle crashes?
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A) Traffic laws/ s, }% Y F3 D8 R
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B) Defects in the road& K( O1 B( s$ q' M& m
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C) Human error+ E) a- L2 \& d5 q# p
. @4 ]6 J7 \3 |# }# f D) Inadequate traffic controls% l8 r5 q9 k; {; o0 n
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15. A black/white or red/white traffic sign indicates:
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A) A construction zone
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% u# z. t& G* S; bB) A general warning+ [) H" ]7 N2 Q! D) n
; l6 z; M, P5 B% c C) Roadside services: s& @ U$ P; W
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D) A traffic regulation5 v- `# s8 U' N2 A6 n) @9 P
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16. A flashing red traffic control light always has the same meaning as:+ z- L, q9 O' o [( q
/ C* Z, Q/ J& m- n- IA) A caution sign* o4 ^6 l0 r A# z! N/ D$ Q* m
4 j3 D, a% n- m2 @1 m7 c# xB) A yield sign
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C) A stop sign
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D) An ordinary red traffic light
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* u% H9 k) p, l- [17. The major factor contributing to cornering skids is:; u1 C' r1 }7 e: {" A
- C! ?+ c) L: M/ L1 L- _ A) Entering the corner too fast+ w, H* V# z7 Z0 N, R$ z. W
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B) Driving with all season tires
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C) Braking sharply while in the curve n% F3 n7 Z3 V" g \6 ~" o0 ?
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D) Being unfamiliar with the road and road conditions( P/ A" F& s1 B% a4 j" N
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18. You will anticipate better when driving in a rural area if you:% r5 N$ n) {8 d* \: U
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1 v( N R2 a) d" T7 G A) Check your mirrors every 30 seconds' y9 ?# q1 ?9 G/ m) u! M
# W9 d. e4 |; t B) Scan at least 25 seconds ahead. `' B' i3 d2 k
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19. Maintaining a 4-second following distance in wet weather conditions is an example of:# @' _+ F. w$ s7 Y$ _; Y" F
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A) Time management
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1 g4 b# | M# {) u3 U& ]- q/ G! ?, n B) Communication
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C) Searching( [! }+ I- f' g1 j: l
' H% C" W+ q* S: V& y D) Managing space2 r6 j0 j; g; b" x
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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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9 c0 Q; u3 ^% ?6 b- u" }7 K A) A braking skid4 N0 B+ z) K6 {
, a7 L" G1 Z) J9 s7 k B) A cornering skid) u$ d3 M( Y# `% X2 U# A
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C) Power steer# X5 r( n- g9 s2 _$ S
3 E& V. E/ M7 y8 A$ | D) Understeer
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8 F% M0 r7 h9 b6 u( k! N: M1 D2 l 21. To keep a safe following distance in an urban area, a driver should:
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1 f/ s0 w9 p/ j5 | A) Keep at least a two car length following distance
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! w) L) W" V5 h4 Z( q* ? B) Keep at least a 2- to 3-second following distance
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% ~) N$ C$ s( p5 j: TC) Keep at least a 12-second following distance
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D) Keep one car length for every 10km/h of speed
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