Question

2．[1]A number of human foods are dangerous to pets．Many of these foods may seem tasty to our pets but can prove deadly if eaten．It can be very tempting to offer pets food from the table，but pets should not be given human food unless recommended（推薦） by your vet（獸醫(yī)）．
[2]If you suspect your pet may have eaten a dangerous food，contact your vet immediately．In many cases，early recognition and treatment are critical．
[3]Grapes and Raisins（葡萄干）
Grapes and raisins can cause sudden kidney（腎） failure in cats and dogs．It is unknown what the toxic agent is in these fruits．However，clinical signs can occur within 24 hours of eating and include vomiting，diarrhea，and lethargy （tiredness）．Other signs of illness relate to the eventual shutdown of kidney functioning．
[4]Garlic and Onions
Garlic（蒜） and onions（洋蔥） contain chemicals ________________ red blood cells in cats and dogs．Affected red blood cells can lose their ability to carry oxygen effectively．Cooking these foods does not reduce their potential toxicity（毒性）．Fresh，cooked，and/or powdered garlic and/or onions are commonly found in baby food，which is sometimes given to animals when they are sick，so be sure to read food labels carefully．
[5]Many cases of human food toxicity in pets are accidental．A pet may find and chew on a package of gum or candy，or steal food from a countertop or table．The best way to prevent this is to keep all food items in closed cabinets or in areas that are inaccessible to pets．This may be particularly difficult during the holiday season，when more candy，chocolate，fruit baskets，and other food items are around．Children should also be taught to never give candy，gum，or other human food items to pets．
76．What's passage mainly about？（within 8 words）Dangerous human foods to pets．/Human foods are dangerous to pets．
77．Under what condition should you give pets human foods？（within 7 words）If （you are） recommended by your vet．
78．Why are grapes and raisins dangerous to pets？（within 10 words）Because they may cause kidney failure．
79．Fill in the blank in paragraph 4．（within 2 words）that/which damage/affect；damaging/affecting
80．What are the two key points of helping pets avoid dangerous human foods？
 （each within 12 words）①To make sure pets can't find or get the foods．②To teach children not to feed pets with the foods．．

Answer 1

分析 本文為說明文，文章介紹了一些對于動物來說很危險的人類食物．

解答 76．Dangerous human foods to pets．/Human foods are dangerous to pets．
77．If （you are） recommended by your vet．
78．Because they may cause kidney failure．
79．that/which damage/affect；damaging/affecting
80．①To make sure pets can't find or get the foods．
②To teach children not to feed pets with the foods．
解析：
76．答案．Dangerous human foods to pets．/Human foods are dangerous to pets．主旨大意題．根據(jù)第一段A number of human foods are dangerous to pets可知，本文要介紹那些對寵物來說很危險的人類食物．故填Dangerous human foods to pets．/Human foods are dangerous to pets．
77．答案If （you are） recommended by your vet．細節(jié)理解題．根據(jù)第一段 pets should not be given human food unless recommended（推薦） by your vet（獸醫(yī)）可知，除非獸醫(yī)推薦，否則不要輕易給你的寵物吃人類食物．故填I(lǐng)f （you are） recommended by your vet．
78．答案Because they may cause kidney failure．細節(jié)理解題．根據(jù)第三部分的Grapes and raisins can cause sudden kidney（腎） failure in cats and dogs可知，葡萄干會導(dǎo)致貓狗腎功能衰竭．故填Because they may cause kidney failure．
79．答案that/which damage/affect；damaging/affecting．推理判斷題．根據(jù)后文Affected red blood cells can lose their ability to carry oxygen effectively可知，蒜和洋蔥會影響寵物的紅細胞．故填that/which damage/affect；damaging/affecting．
80．答案．①To make sure pets can't find or get the foods．②To teach children not to feed pets with the foods．細節(jié)理解題．根據(jù)最后一段The best way to prevent this is to keep all food items in closed cabinets or in areas that are inaccessible to pets和Children should also be taught to never give candy，gum，or other human food items to pets可知，要防止寵物吃這些危險的東西，有兩個辦法：不要把這些東西放在寵物能碰到的地方；教會小孩子不要用這些食物喂養(yǎng)寵物．

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