1、What's the best way to lose weight（重量）？You can make it fun by （31） outdoor activities．You'll be amazed at the number of calories（卡路里）you'll （32） in a short time．Here's some advice to help you to lose weight．
Hiking is an excellent （33） of exercise for burning calories and increasing your heart system．What's more，if you hike on hills，it （34） to build and strengthen（增强）leg muscles（肌肉）．
Kayaking（划独木舟）to Lose Weight
If you love the（35） ，then you may go kayaking!Generally，a woman can lose half a pound from an afternoon of white﹣water kayaking．A man lose even （36） ，around 2，200 calories．This sport buildsstrengthin your （37） and upper body muscles．It's （38） a great way to make you slimmer．
Skiing is one great sport to lose weight because（39） can use all of your major muscle groups﹣from your chest to shoulders．It can improve your balance by exercising your main muscles（40） you can't fall down．So，it's no surprise that you can burn a large 3，000 calories if you're a man and a little less for a woman，after 6 hours of skiing．
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31．A．staying away from
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B．doing well in
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C．taking part in
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32．A．waste
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B．store
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C．burn
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33．A．way
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B．grade
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C．diet
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34．A．decides
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B．helps
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C．plans
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35．A．soil
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B．water
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C．sand
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36．A．worse
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B．better
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C．more
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37．A．arms
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B．legs
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C．heads
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38．A．too
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B．never
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C．also
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39．A．he
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B．you
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C．she
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40．A．so that
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B．in order to
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C．so as to
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31．C 考查动词短语及语境理解．A．staying away from远离；B．doing well in在某方面做得好；C．taking part in参加．根据下文内容，参加户外活动，在运动中减肥．此处应该是：你可以通过参加户外活动的方式减肥．故选C．
32．C 考查动词及语境理解．A．waste浪费；B．store储存；C．；burn燃烧．结合句意：你将对在短时间内燃烧的卡路里的数量感到惊奇．故选C．
33．A考查动词短语及语境理解．A．way方法；B．grade成绩，年级；C．diet食谱；徒步旅行是一种锻炼的方式，故选A．
34．B考查动词及语境理解．A．decides决定；B．helps帮助；C．plans计划．根据上一句：更重要的是，如果你爬山，可知此处应该是：它有助于加强腿部肌肉．故选B．
35．B考查名词及语境理解．A．soil土壤；B．water水；C．sand砂．根据句意：如果你喜欢水，你可以去划独木舟．即划独木舟是水上运动．故选B．
36．C考查形容词及语境理解．A．worse更糟；B．better更好；C．more更多．由上下文可知，一位女士一下午可以减半磅，而一位男士可以燃烧大约2，200卡路里．说明男士减得更多．故选C．
37．B考查名词及语境理解．A．arms手臂；B．legs腿；C．heads头．与上半身的肌肉相并列，选择下半身的部位．此处应该是：这项运动可以增强你的腿部及上半身的肌肉故选B．
38．C考查副词及语境理解．A．too也，用于肯定句句末；B．never从不，绝不；C．also也，用于肯定句的句中．锻炼可以使你苗条，这是肯定句，句中，用also．结合句意：它也是使你苗条的好方式．故选C．
39．B考查代词及语境理解．A．he他；B．you你；C．she她．由 your major muscle groups﹣from your chest to shoulders相对应的是you…．此处应该是：冲浪是一项减肥的好运动，因为你可以用到你的所有肌肉．故选B．
40．A考查连词及语境理解．A．so that以便，为了，后跟句子；B．in order to以便，为了，后跟动词原形；C．so as to以便，为了，后跟动词原形．本句里，you can't fall down是句子，用so that引出．结合句意：它通过锻炼你的主要肌肉的方式提高你的平衡性以便你不会摔倒．故选A．
2、Have you ever heard of e﹣waste（电子垃圾）？How do you deal with your Mp4players，mobile phones and your computers when they're broken or you want a new one？
Most people just throw them away． With the（21） of electronic industry， e﹣waste pollution has become a serious problem． According to the UN， in 2014， people around the world produced 41.8million tons of e﹣waste and only（22） less than 20% of it． The USA was（23） waster in the world， producing 7.1million tons． China came second，（24） 6million tons．
It's important to pay attention to e﹣waste． It can be（25） valuable or harmful，depending on what we do with it． E﹣waste is a valuable urban mine（城市矿藏）． The value of the metals， like gold and silver is（26） ． And the metals can be reused， but if people throw them away， the toxic（有毒的） chemicals can（27） the earth or air， they will affect the environment and people's health．
Now， Apple recycles people's used products in China when they're buying new（28） ． The company will test and repair them and then sell them at lower prices．（29） e﹣waste， we can buy longer lasting electronic products． If you don't want your electronics， find a new home for them． You can also take them to see（30） companies can offer recycling programs．
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21． A．developing
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B．developed
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C．development
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22． A． recycled
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B． rebuilt
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C． researched
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23． A． big
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B． bigger
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C． the biggest
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24． A． during
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B． with
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C． between
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25． A． both
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B． either
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C． neither
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26． A． amazing
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B． disappointing
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C． boring
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27． A． get up
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B． get into
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C． get on
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28． A． them
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B． those
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C． ones
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29． A． To increase
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B． To reduce
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C． To keep
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30． A． that
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B． where
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C． whether
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21 C 考查名词：根据With the（21）Cof electronic industry，结合选项，推测意思是随着电子产业的发展，考查短语with the development of，故选C．
22 A 考查形容词：根据less than 20% of it．结合选项，推测意思是被循环使用的要少于百分之二十，故选A被循环使用的．B重建，C研究．
23 C 考查最高级：根据in the world，结合选项，推测意思是美国是世界上最大的电子垃圾生产者，in the world是比较的范围，故用最高级，前面常用定冠词the，故选C．
24 B 考查介词：根据6 million tons，结合选项，推测意思是有600万吨，这里用with表示一种伴随状态，故选B．
25 B 考查短语：根据valuable or harmful，结合选项，推测意思是既有价值，又有害，考查短语either…or，故选B既…又．A两者都，C两者都不．
26 A 考查形容词：根据E﹣waste is a valuable urban mine电子废弃物是一种有价值的城市矿山．结合选项，推测意思是金属的价值，如金银，是令人惊叹的．故选A．B失望的，C无聊的．
27 B 考查动词：根据the earth or air，结合选项，推测意思是有毒的化学物质可以进入土地或空气中，故选B进入．A起床，C上车．
28 C 考查代词：根据Now， Apple recycles people's used products in China when they're buying new，结合选项，推测意思是现在，在中国，当人们买新的电子产品的时候，苹果公司回收人们使用过的产品，用ones指代前文的电子产品，故选C．A他们，B那些．
29 B 考查动词：根据we can buy longer lasting electronic products，结合选项，推测意思是为了减少电子垃圾，我们可以购买更耐用的电子产品．故选B为了减少．A为了增加，C为了保持．
30 C 考查连词：根据companies can offer recycling programs．结合选项，推测意思是你也可以带他们去看看公司是否可以提供回收项目．故选C是否．A那个，B哪里．
