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1、2019年高考考纲解读一、A daily multivitamin may give your wellbeing an extra benefit，but if youve ever swallowed one and felt sick right after，you know its hardly a pleasant experience. _1._ Youre taking vitamins on an empty stomach.Vitamins that are more acid in nature，like vitamin C，may cause nausea(恶心)if t
2、heyre consumed on an empty stomach.Vitamins A，D，E and K，unlike some others，may be better absorbed when not taken with food. _2._ Vitamins are like medicines in that they can act on each other and other medicines youre taking. _3._ Some research suggests that multivitamins could cause side effects wh
3、en taken at the same time with high estrogen(雌激素)levels.Theres a lot of iron in your pill.Multivitamins that contain a lot of iron or iron supplements themselves can cause nausea.This is especially true if youre taking them outside of a meal.Iron is interesting in that its best absorbed on an empty
4、stomach，but its hardest to take on an empty stomach because of the nausea. _4._ It might decrease the absorption a little bit but its better than nothing.Allergic reaction side effects.Since multivitamins contain so many vitamins and minerals，allergic reactions are certainly possible.Mild allergic r
5、eactions can include itchiness(痒) and a few hives(荨麻疹). _5._ Should you experience more advanced signs of an allergic reaction，such as trouble breathing，chest pain，widespread hives or a swollen facial region，visit the closest emergency room immediately.The lable on your vitamins should provide direc
6、tions for taking them.Check the information before taking them to see what else you should know.AYoure taking vitamins with other medicines.BBelow are a few reasons why multivitamins may be making you ill.CIts important to discuss with an expert the timing of these vitamins.DThese stomach issues can
7、 be extremely disturbing.EIts better to take it with food than trying taking it on an empty stomach.FIf you experience these side effects，stop use and contact your doctor.GPlease review the combinations to make sure there are no harmful interactions.文章大意：本文主要讲述了服用多种维生素可能让人感到不适的几种原因。3.G解析：本句出现在段落中间，起
8、到承上启下的作用。上文讲的是，各种维生素之间以及维生素与其他药物之间会相互作用；下文讲的是，当雌激素水平高时服用多种维生素可能引起副作用，所以G项符合语境。G项的意思是“请检查一下混合物(多种维生素)，确保它们之间没有有害的相互作用”。4.E解析：本句出现在段落中间，起到承上启下的作用。上文讲的是，多种维生素中的铁在空腹时服用吸收效果是最好的，但空腹服用会让人恶心；下文讲的是，这可能会吸收得少一点，但总比一点也不吸收要好，所以E项符合语境。E项的意思是“比起试图空腹服用来说，跟食物一起服用多种维生素更好一些”。5.F解析：本句出现在段落中间，起到承上启下的作用。上文讲的是，轻微的过敏反应症状；
9、下文讲的是较重的过敏反应症状，所以F项“如果你感受到了这些副作用，就不要服用了，要联系你的医生”符合语境。学科*网二、Whether theyre for a teenager or not，all great stories have certain elements： they have interesting characters we enjoy reading about； they show these characters in a world we can recognize and understand. _1._ The main character faces a pro
10、blem，usually quite a serious one.The thing that most draws us to reading the story is the way the character deals with the problemwhether the character gets the better of it，or it gets the better of the character.Characters in a book for young adults are generally young adults themselves. _2._ On th
11、e one hand，theyre not children anymore.Theyre growing up and want to stretch their wings.On the other hand，theyre not yet adults.They cant do certain things，as theyre not yet able to do them or because the world tells them that they cant.To make things even more complicated，almost all young adults f
12、eel at some point that the whole growingup process is happening too quickly. _3._ This year，TEENS has selected seven of the ten books； nominated(提名) for the US 2017 National Book Awards in the categories of Young Peoples Literature.Some stories are specifically written for teenagers or young adults，
13、meaning that their authors are very sensitive to the “inbetween” nature of teenage life.Theyre about problems that appear for young people because of tensions between them and their parents and teachers，their siblings(兄弟姐妹)，or wider society.Often，these problems are presented very seriously by writer
14、s. _4._ At the same time，fiction isnt supposed to be just about the challenges people face in life，but also about how people overcome those problems. _5._ They discover something about themselves that they never knew before，and which enables them to succeed.And the solution that they find opens the
15、future up to them，setting them on the path to adulthood.AAnd they are in a challenging period of life.BBut most importantly，great stories have a central drama.CTo some degree，challenges bring out the best in characters.DBut thats what young adults want in fiction：to be taken seriously.EThey want to
16、hold back a little and remain a child a little longer.FThese are stories that someone of any age could pick up and enjoy.GWhen closing a good book，we feel weve learned something about ourselves.文章大意：本篇文章是文学艺术类说明文。作者主要分析了优秀的小说的特点，着重分析了写给年轻人看的小说。2.A解析：本空出现在段落中。根据后面的“On the one hand，theyre not children anymore.Theyre growing up and want to stre
