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15.根据短文内容,从短文后的选项中选出能填入空白处的最佳选项.选项中有两项为多余选项.
Tips on buying outdoor solar lights
As solar lighting is becoming useful for homes,many different such outdoor lights can now be found in supermarkets.Here are some helpful tips for customers.
●Does your area receive enough direct lighting?
(36)A.So you shouldn't even give it a thought if you live in an area that doesn't get much sunlight.These lights need direct sunlight,or they just won't work very well.
•(37)D
The expensive one usually means good quality.Choosing the cheapest ones will result in many problems.For once,it's best to buy more expensive lights of high quality.(38)FAt least you should know the difference between a 10lightanda 45light.
●Buy lights that require less installation(安装 ).
Most solar lights are simply driven into the ground.Therefore,you shouldn't deal with the difficulty in installing a system that involves anything more than that.(39)GYou don't need to buy lights that require half an hour each to plant into the ground because that's just a waste of time.
●Make sure the lights can store enough energy.
Different solar lights can store different amounts of energy.(40)C Therefore,you should choose lights that are able to store enough energy to last for a few hours or more,at least those that will last from nightfall throughout most of the night and part of the morning.

A.Without sunlight,solar lighting is useless.
B.Buy many solar lights instead of just one or two.
C.It means some will stay lit longer than the others.
D.Choose something a bit more expensive for once.
E.Solar lights are becoming more and more popular.
F.That doesn't mean you have to spend all your money.
G.They should take a few minutes each to get into the ground.

分析 现在太阳能灯变得越来越流行了,在超市里有很多出售的灯,文章介绍了几种购买等的小建议.

解答 36-40  ADFGC
36.A 细节题.根据Does your area receive enough direct lighting?这段的主旨句可知,在住的地方要能接受到足够的直接灯,所以Without sunlight,solar lighting is useless.没有阳光,太阳灯就是无用的符合题意.
37.D 主旨题.根据The expensive one usually means good quality可知,贵的通常质量比较好,所以该段 的主旨句为Choose something a bit more expensive for once.要挑选一些贵的.
38.F 细节题.根据这段的主题句可知,建议我们买一些贵的,但不意味着花所有的钱,所以F句合适.
39.G 细节题.根据段落里Most solar lights are simply driven into the ground可知,大多数太阳能灯靠连接地面来驱动,所以G句每个太阳能灯应该花几分钟的时间才能到达地面这句符合题意.
40.C 细节题.根据Different solar lights can store different amounts of energy可知,不同的太阳能灯储存不同数量的能源,所以有些太阳能灯比其他的要亮持久点.

点评 文是说明文,题目要求从7个选项中选择恰当的语句填入空格处.这种类型的题目关键是符合逻辑和语境,要强调从上下文中寻找具体的解题依据.

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