2. 外语
  3. Binoculars(双筒望远镜)are not only used for wildlife observation, but are essential in certain sports, particularly in hunting. A hun

Binoculars(双筒望远镜)are not only used for wildlife observation, but are essential in certain sports, particularly in hunting. A hun

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问题     Binoculars(双筒望远镜)are not only used for wildlife observation, but are essential in certain sports, particularly in hunting. A hunter can climb in a tree and observe the woods and fields from afar, while a quality set of binoculars helps to spot wildlife with ease. Since the binoculars are being used outdoors, it is sensible to【C1】______a waterproof(防水的)set: hunters will often find themselves out in the snow during hunting season. While the snow makes for【C2】______tracking of wildlife, if the binoculars fall into the snow, the【C3】______to moisture can result in significant damage.
    Binoculars range in cost【C4】______from $50 to $1 ,000 depending upon the binoculars’ features. Roof prism binoculars are of extreme quality and are【C5】______for hunting or other outdoor ventures. While they tend to cost more than other brands of binoculars, they provide a hunter a crystal clear viewing field. A Magnification of 10×50 is【C6】______if the binoculars are being used for hunting, while in the case of bird watching, a lower magnification may meet the need.
    Hunters will also consider the field of view offered by the binoculars they decide to buy: the field of view will【C7】______how much of the actual landscape is visible. Finally, hunters that wear eyeglasses will need to take such a fact into【C8】______when buying binoculars: the type of binoculars purchased can【C9】______how well the hunter can see objects through the viewing【C10】______
A)affect B)appliance C)consideration D)determine
E)distinguish F)exposure G)fantastic H)ideal
I)influence J)instrument K)persuaded L)purchase
M)recommended N)roughly O)specifically
【C6】
选项
答案M
解析 分析句子结构可知，空格处与is构成系表结构或被动语态，应填入形容词或过去分词。while引导句子表示意义的对比，后半句提到，如果用于观察鸟类，放大倍率稍低的即可满足需要，可推断出上半句意思为“如果双筒望远镜用于狩猎，则推荐使用放大倍率为10×50的。”空格处意义应和meet the need相关，故M)recommended符合句意。
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