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跪求高手给答案 ; _ U4 L; h0 c5 E5 D
+ f6 y2 q' E# F可以的话 解释一下原因 谢谢大家
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. m! s* ^9 P" m$ }6 I3 v1.Which of the following are best practices with respect to backing?
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- d* _3 V: q; b; s A)Back at 10km/h
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Q! `3 ?6 ~$ \. x" ?, T. B B)All of the answers are correct
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5 }& F8 i6 I0 Y! [ C)Back to the blind side of the vehicle
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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?3 g" B! \1 e- E$ q C# q8 F
A)Lock your brakes and turn toward the ditch3 W/ g6 k5 ^8 V+ u& ]
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B)Use controlled braking and steering to collide with any objects at an angle1 ~4 |5 f/ Q2 K( p
! N/ }( M4 k5 x& ]) R C)Lock your brakes and steer hard to the left side of the highway
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" B9 P2 C N, p! B D)Slam on the brakes and hit head-on
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; L0 p' _ V% O' L! p- r0 u 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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# S0 \& J4 h' q1 n* Y6 @ m- k0 L A)Pump the brakes
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6 B. P2 K- D* B) E. N. | B)Shift to a lower gear and squeeze the brakes8 I5 Y n- M, `& r, ]
3 Q# `/ D& @$ H3 z: k, a$ c# q C)Lock the brakes
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D)Threshold brake
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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/ c6 ?4 Y. ?5 k
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B)Quickly pump the brake pedal6 G! h2 J: \% |) L4 N1 a/ m
l1 n8 T3 U9 i5 Y C)Slowly pump the brake pedal/ L: B1 p) B& { s5 k! W: j
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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?
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A)Four seconds ahead
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B)12 to 15 seconds ahead
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C) Four car lengths* \0 Z7 u; Y. D
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D) About 1 km* F6 Q$ z; G( U/ m2 x, x; y
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6.Responsibility for the safe maintenance of any vehicle rests mainly with: ?$ o) B2 \+ |' [: L
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A) The automotive department or service station
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2 x( P4 Y" Y% R B) The owner/operator
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1 u* i7 c9 \7 m8 ]( A. ^% `3 m C) Law enforcement officers, w% X8 g, v; F* I9 l
' O& u, [& P- v# n/ e D) The manufacturer
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7.The condition of tires on a vehicle is important because:% d; ]8 ], M6 P/ f' D0 A+ A( \
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A) Contact between tires and the road stop the vehicle; M) a" z( C! G; N2 K
! ~& x) O* ~4 C2 I8 w B) All of the answers are correct
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% }2 n0 t9 |% U: e& O C) Tires provide traction9 P; W# P* V" ^* \2 P. {
0 E' {; P. X' Y, [ D) Tires carry the vehicle's load' A T8 ~, U3 x* R# e; P
0 T& `4 Y( r/ X- o. |/ o4 S5 Y 8. A yellow traffic sign indicates:
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1 ^; _6 R- M2 ` A) Roadside services
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+ |: @- G ?% v3 m& f( e B) A construction zone
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C) A general warning: j8 {7 t" N/ ?# l4 b; Z
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D) A prohibitive message
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2 q' i! q4 C( M! G 9. You are driving on a highway when the left front tire suddenly goes flat. You should:
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7 q |2 n2 K S8 o' V L a- P A) Signal, pump brakes, and steer left$ z' r9 D7 D7 i% d
# `9 f% f4 W9 ^ q s) R 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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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:
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A) Can help drivers be safer on the road
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6 H7 g8 W' L# [$ d B) All of the answers are correct, m& y, V% J$ N0 D
# i! z2 w3 [( R! U4 A- v C) Can greatly reduce the risk of injury/ y, s. V' {+ W- S' F* M
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D) Can reduce the risk of having a collision
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: }7 g+ H6 w3 A( s 11. You should return to your lane after passing another vehicle once:
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A) The other driver signals with the lights
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- J& A1 ~# S$ b. ?2 z" ?9 { B) You can see the other vehicle in your rear-view mirror
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6 b' Y- W& @& x3 T9 e& j C) Your rear bumper passes the front bumper of the other vehicle
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4 t9 m5 j8 x- u- S* a D) You are 5 metres past the vehicle, X7 T: j1 j- P* X
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12. To be proactive and reduce the chance of road rage in other drivers, you should:
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4 K C# C) h4 O' ~; [ A) Drive the same speed as all other drivers! F! E9 k: G9 f, r& ^: l, x6 T- l9 P
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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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D) All of the answers are correct
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6 \+ }% `. ^/ H# q8 u9 @ 13. The first thing you should do prior to backing out of a parking stall is:" d+ g- a& r# @6 S0 V
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A) Sound your horn twice+ ^7 Q. v: m3 M8 {% H
" R9 N9 v( U, R" B k* _7 f: I# H0 R B) Proceed slowly! a9 P$ a9 I4 S; ?# I
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C) Walk around the vehicle to check for hazards/ k$ b9 |8 |, |+ O. w' p }. R! a
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D) Use your mirrors and look out the rear window& Q9 [# `# f( N
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8 {) ~3 F: z2 g( n, K+ {& N 14. What causes most vehicle crashes?
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A) Traffic laws+ e& D- B$ K0 l9 v
J% V; O4 k9 H4 @" P5 n- O B) Defects in the road9 S# |7 W# \# ?0 T
r h1 Q7 s5 ] v( {+ Q& E% k: K C) Human error
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. q% ?& f, ]$ L) I- q D) Inadequate traffic controls
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15. A black/white or red/white traffic sign indicates:& k' m b; l3 T3 A! Y) H7 ]
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A) A construction zone
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B) A general warning
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8 V$ A1 I! b4 n0 v C) Roadside services
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D) A traffic regulation
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16. A flashing red traffic control light always has the same meaning as:- O# B$ J9 I6 Q
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A) A caution sign: H$ y! z; m9 c6 r, N9 Q; D
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B) A yield sign
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C) A stop sign
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2 ~( G6 w3 T+ KD) An ordinary red traffic light
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; ?$ {) I* |* t+ _1 m17. The major factor contributing to cornering skids is:
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A) Entering the corner too fast5 x9 h+ _: b; c3 Z5 s; x# t
/ }' g/ s6 D- N- ?" rB) Driving with all season tires5 R; W# |' j3 j9 q* `% q" m
: O: v4 J3 e( {4 \) mC) Braking sharply while in the curve
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D) Being unfamiliar with the road and road conditions: |' l+ z" E7 S# B& s- T
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; c, S( o( S# D+ T% s0 @ 18. You will anticipate better when driving in a rural area if you:3 Y, K: B7 d9 r: u% v" F6 p$ V1 y* w
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A) Check your mirrors every 30 seconds
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B) Scan at least 25 seconds ahead' k: n" s5 J" U5 N
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: \3 K8 M+ |: J3 z. X! ?3 C 19. Maintaining a 4-second following distance in wet weather conditions is an example of:2 T9 d" |& B' o5 y1 _" P- [4 n
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A) Time management1 a+ n, c, ^. \. n
W3 S4 C0 ^6 R: i! W! d6 W B) Communication- C' h% c2 ^5 H+ |8 c. m
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C) Searching' k# d) L" D' X2 S3 c6 U
, J) |* I; `+ {9 e& S9 \6 e D) Managing space& ~" j% D4 N ~& t$ }/ i
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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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* Y0 {+ J2 |9 k" x0 ?& }6 L A) A braking skid
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B) A cornering skid
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4 B2 f3 y5 U7 K C) Power steer
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D) Understeer9 v3 F8 j- S% e! P) ?
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21. To keep a safe following distance in an urban area, a driver should:8 q/ {' v% n- w# \' s) ^, A
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A) Keep at least a two car length following distance B" c# j( w: L0 N9 Y
2 a: Y7 u) r2 O. `% g B) Keep at least a 2- to 3-second following distance8 d& O: M& `' \" m, B$ x
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C) Keep at least a 12-second following distance7 G2 q( [& }' {& z
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D) Keep one car length for every 10km/h of speed
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