Day172021年高二英语暑假提升天天练之七选五专练

Day 17 A Are you afraid of sharks, snakes or spiders Most of us are.1Do you know mosquitos have killed many more humans than all wars in history Mosquitos are the most dangerous creatures on earth to humans by a mile. Female mosquitos actually need our blood to make eggs. They give us viruses and diseases that are extremely dangerous.2Just one mosquito buzzing （发出嗡嗡声）around your bed can keep you awake all night. Now, there is a great way to stop mosquitos from annoying you ever again 一 without using any chemicals at all. Its called Mosquitron, a brand new type of bug catcher/killer. Its perfect for clearing your home of all the annoying and dangerous mosquitos3 Instead of trying to keep the mosquitos away, it actually attracts them, then catches and kills them 4Next to the UV-PT light is a powerful fan that sucks the mosquitos through a one-way trapdoor （活板门）.Once trapped in the drying basket, they are dried to death by the fan in a matter of 2 minutes. 5But when you consider that most devices need expensive refills and dont work for more than 10 minutes, this is a pretty good deal. Plus, it actually works When you look at the rise in mosquito viruses and diseases and the number of deaths, 89 seems like a good deal for peace of mind that you are protected. A. Plus they are super annoying. B. Does it really work in real life C And its fashionable and easy to control. D. Here are some ways to keep them away. E. But theres another creature that is more dangerous. F. Its now discounted down to 89, which seems expensive at first. G. It attracts mosquitos nearby using a safe and harmless UV-PT light. 【答案解析】 l.E 2. A 3.C 4. G 5. F 【分析】本文属于应用文。文章介绍一款灭蚊器产品的及其运行的原理和价格。 【1题详解】 根据后句Do you know mosquitos have killed many more humans than all wars in history你知道吗蚊子造成的人类死亡超过历史上的所有战争。由此可知，蚊子的危害性 比鲨鱼、蛇以及蜘蛛要大得多，故E选项，有一种生物更危险，与后一句衔接紧密，故选E。 【2题详解】 根据前句They give us viruses and diseases that are extremely dangerous.可知，蚊子传 播极其危险的病毒和疾病，后一句“Just one mosquito buzzing （发出嗡嗡声）around your bed can keep you awake all night,,,只需要一只蚊子在床边飞都会让你整夜睡不着觉，A选项中的 plus加上，表示对前一个观点的补充，同时annoying开启下一句，描述蚊子打扰休息，衔 接上下文，故选A。 【3题详解】 根据前一句“Its perfect for clearing your home of all the annoying and dangerous mosquitos”是消灭你家蚊子的完美工具。由此可知，此处在于描述产品的用途和优势，C选 项，这款产品很时尚并且容易控制，与前一句都是描述该产品的优点，并且与前一句的结构 相同，形成并列关系，故选C。 【4题详解】 根据前一句“it actually attracts them, then catches and kills them可知，该产品的灭蚊原理 是吸引蚊子，吸附并且杀死蚊子，以及后一句Next to the UV-PT light is a powerful fan that sucks the mosquitos through a one-way trapdoor （活板门）.可知，紧挨着紫外线灯是一个强劲的 风扇，可以把蚊子吸入活板门，G选项，使用安全无害的紫外线灯把蚊子吸引过来，承接上 一句，开启下一句，如何杀死蚊子，承接上下文，故选G。 【5题详解】 I艮据后一句But when you consider that most devices need expensive refills and don*t work for more than 10 minutes, this is a pretty good deal.”可知，当你考虑到大多数灭蚊设备都需要 昂贵的替换物，运行不超过10分钟，那么这款产品就是相当划算的，F选项，现在折扣价 低至89美元，一开始会觉得昂贵，与下一句的but形成鲜明的转折，起初会觉得贵，但是 仔细算来，就很划算，故选F。 B Reading more is one of the top goals that many people set for themselves. ] If read