早教吧作业答案频道 -->英语-->
首先请阅读下列图片及文字说明:A.Drop-BarRoadBikesGenerallylighterinweightthanthetypicalmountainorcomfortbike,roadbikesaregoodformultiplepavementusesincludingfitnessriding,commuting,long-distance/eventride
题目详情
首先请阅读下列图片及文字说明:
A.Drop-Bar Road Bikes
Generally lighter in weight than the typical mountain or comfort bike,road bikes are good for multiple pavement uses including fitness riding,commuting,long-distance/event rides,touring and racing.
Drop-bar handlebars are lightweight and aerodynamic and are a better choice if you want to go faster or are more concerned with efficiently transferring your energy into making the bike move forward.They also allow for a greater number of riding and hand positions than flat-bars.Their more aerodynamic riding position (bent over at the waist) may put more strain on your back if you are less flexible.
B.Flat-Bar Road Bikes
Flat-bar handlebars combine the efficiency of drop-bar road bikes with a slightly more upright riding position.This allows you to sit up in a higher and more relaxed position so you can better see the road and potential risks.An upright position also reduces strain on your hands,wrists and shoulders.This increased versatility comes with the tradeoff of being slightly less efficient (from an aerodynamic standpoint) than the typical drop-bar road bike.
C.Hardtail Mountain Bikes
Mountain Bikes are best for dirt or rocky trails and gravel roads; they are OK for pavement too (with tire change).
Hardtail bikes feature a front suspension fork and a rigid back with no rear suspension shocks.This type of mountain bike is much less expensive and lighter in weight than a typical full-suspension mountain bike.A hardtail is the more versatile choice if you plan to use it for both paved and unpaved surfaces.The tradeoffs from a full-suspension mountain bike?A hardtail is less able to safely handle more technical singletrack trails,provides less overall shock absorption and,in some situations,delivers less rear wheel traction.
D.Full-Suspension Mountain Bikes
Full-suspension mountain bikes have both front and rear suspension shocks making them ideal for backcountry trails or technical (steep,bumpy,twisty) singletrack.They also stand up to more aggressive riding including jumps or drops of up to 5feet.As mentioned above,full-suspension bikes are more expensive and generally heavier than hardtail bikes.
E.Folding bikes
These bikes can be folded up and placed in a carrying bag,which makes them handy for commuters with limited storage space at home or the office.They are lightweight yet strong and can be folded up quickly and easily.Folding bikes are also a good choice for those who want to travel with their bike.
F.Electric-assist bikes
These bikes feature a battery-powered motor that can help you climb hills easily or make your commute less strenuous.Built-in sensors can monitor how much pressure you're putting on the pedals and then apply battery power accordingly.
以下是一些用户信息,请把图片与相关介绍匹配起来.
46.Tom is a bike lover.He wants to buy a road bike that can go fast on the road.Speed is important but it is more important for him to see the road and stay safe,since the road on which he rides is often full of traffic.___
47.Jack is an office worker.Every day he goes to work by subway.There is still a long way from where he lives to the subway station,so he decides to buy a bike,which can be easily put at home,on the subway train and his office.___
48.Peter loves making long-distance journey by bike.When travelling,he has to climb hills or ride on rocky trails,which makes him too tired to go.He wants to continue his journey even when he is tired,but he doesn't want to travel by car or ride his motorbike.___
49.Mark is a bike enthusiast who often rides in the mountainous areas.Unfortunately,his bike was damaged when he was riding on the mountain.Now he is going to buy a new mountain bike.Being a rich man,Mark doesn't care about the price of the bike,but it must be tough and flexible enough to jump and drop on the mountain road.___
50.Jim needs a new mountain bike that can be ridden on both paved and unpaved surfaces.It doesn't need to be too expensive.He hopes to buy a bike that is lighter in weight than a typical full-suspension mountain bike.___.
A.Drop-Bar Road Bikes
Generally lighter in weight than the typical mountain or comfort bike,road bikes are good for multiple pavement uses including fitness riding,commuting,long-distance/event rides,touring and racing.
Drop-bar handlebars are lightweight and aerodynamic and are a better choice if you want to go faster or are more concerned with efficiently transferring your energy into making the bike move forward.They also allow for a greater number of riding and hand positions than flat-bars.Their more aerodynamic riding position (bent over at the waist) may put more strain on your back if you are less flexible.
B.Flat-Bar Road Bikes
Flat-bar handlebars combine the efficiency of drop-bar road bikes with a slightly more upright riding position.This allows you to sit up in a higher and more relaxed position so you can better see the road and potential risks.An upright position also reduces strain on your hands,wrists and shoulders.This increased versatility comes with the tradeoff of being slightly less efficient (from an aerodynamic standpoint) than the typical drop-bar road bike.
C.Hardtail Mountain Bikes
Mountain Bikes are best for dirt or rocky trails and gravel roads; they are OK for pavement too (with tire change).
Hardtail bikes feature a front suspension fork and a rigid back with no rear suspension shocks.This type of mountain bike is much less expensive and lighter in weight than a typical full-suspension mountain bike.A hardtail is the more versatile choice if you plan to use it for both paved and unpaved surfaces.The tradeoffs from a full-suspension mountain bike?A hardtail is less able to safely handle more technical singletrack trails,provides less overall shock absorption and,in some situations,delivers less rear wheel traction.
D.Full-Suspension Mountain Bikes
Full-suspension mountain bikes have both front and rear suspension shocks making them ideal for backcountry trails or technical (steep,bumpy,twisty) singletrack.They also stand up to more aggressive riding including jumps or drops of up to 5feet.As mentioned above,full-suspension bikes are more expensive and generally heavier than hardtail bikes.
E.Folding bikes
These bikes can be folded up and placed in a carrying bag,which makes them handy for commuters with limited storage space at home or the office.They are lightweight yet strong and can be folded up quickly and easily.Folding bikes are also a good choice for those who want to travel with their bike.
F.Electric-assist bikes
These bikes feature a battery-powered motor that can help you climb hills easily or make your commute less strenuous.Built-in sensors can monitor how much pressure you're putting on the pedals and then apply battery power accordingly.
以下是一些用户信息,请把图片与相关介绍匹配起来.
46.Tom is a bike lover.He wants to buy a road bike that can go fast on the road.Speed is important but it is more important for him to see the road and stay safe,since the road on which he rides is often full of traffic.___
47.Jack is an office worker.Every day he goes to work by subway.There is still a long way from where he lives to the subway station,so he decides to buy a bike,which can be easily put at home,on the subway train and his office.___
48.Peter loves making long-distance journey by bike.When travelling,he has to climb hills or ride on rocky trails,which makes him too tired to go.He wants to continue his journey even when he is tired,but he doesn't want to travel by car or ride his motorbike.___
49.Mark is a bike enthusiast who often rides in the mountainous areas.Unfortunately,his bike was damaged when he was riding on the mountain.Now he is going to buy a new mountain bike.Being a rich man,Mark doesn't care about the price of the bike,but it must be tough and flexible enough to jump and drop on the mountain road.___
50.Jim needs a new mountain bike that can be ridden on both paved and unpaved surfaces.It doesn't need to be too expensive.He hopes to buy a bike that is lighter in weight than a typical full-suspension mountain bike.___.
▼优质解答
答案和解析
46.答案B.根据此段描述"He wants to buy a road bike"可知,Tom想买一辆公路自行车,可排除其他选项,AB项自行车符合.从"Speed is important but it is more important for him to see the road and stay safe"可知,他更注重的是保持安全,B项中提到"This allows you to sit up in a higher and more relaxed position so you can better see the road and potential risks"可见B项更适合Tom.故选B.
47.答案E.根据此段描述"which can be easily put at home,on the subway train and his office."可知,Jack 要把自行车放到家里,办公室里,通读选项可知,有这种功能的只有E项.故选E.
48.答案F.根据此段描述"he has to climb hills or ride on rocky trails,which makes him too tired to go"可知,Peter 爬山很费劲,但是又想继续他的旅行.又从"Peter loves making long-distance journey by bike"可知,他喜欢长距离的旅行.既可以是骑行者爬山省力,又可以适用于长距离长时间的旅行的自行车,F项最适合.故选F.
49.答案D.根据此段描述"Mark doesn't care about the price of the bike,but it must be tough and flexible enough to jump and drop on the mountain road"可知,Mark不在乎自行车的价格,但它必须是坚韧和足够的灵活性,在山路上跳跃和下降.通读选项,符合这个条件的为D选项.故选D.
50.答案C.根据此段描述"a new mountain bike that can be ridden on both paved and unpaved surfaces"和"It doesn't need to be too expensive"可知,Jim希望能买一辆价钱不太贵,又可以走崎岖的道路的山地自行车.通读选项可知,符合这一条件的为C选项.故选C.
47.答案E.根据此段描述"which can be easily put at home,on the subway train and his office."可知,Jack 要把自行车放到家里,办公室里,通读选项可知,有这种功能的只有E项.故选E.
48.答案F.根据此段描述"he has to climb hills or ride on rocky trails,which makes him too tired to go"可知,Peter 爬山很费劲,但是又想继续他的旅行.又从"Peter loves making long-distance journey by bike"可知,他喜欢长距离的旅行.既可以是骑行者爬山省力,又可以适用于长距离长时间的旅行的自行车,F项最适合.故选F.
49.答案D.根据此段描述"Mark doesn't care about the price of the bike,but it must be tough and flexible enough to jump and drop on the mountain road"可知,Mark不在乎自行车的价格,但它必须是坚韧和足够的灵活性,在山路上跳跃和下降.通读选项,符合这个条件的为D选项.故选D.
50.答案C.根据此段描述"a new mountain bike that can be ridden on both paved and unpaved surfaces"和"It doesn't need to be too expensive"可知,Jim希望能买一辆价钱不太贵,又可以走崎岖的道路的山地自行车.通读选项可知,符合这一条件的为C选项.故选C.
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