2024年普通高等学校招生全国统一考试模拟试题英语一衡水金卷先享题分科综合卷，目前2024卷临天下答案网已经汇总了2024年普通高等学校招生全国统一考试模拟试题英语一衡水金卷先享题分科综合卷的各科答案和试卷，获取更多{{papers_name}}答案解析，请在关注本站。
30.According to the author,why might Elon Musk want to buy Twitter?A.To promote new ideas.B.To improve its products.C.To have a greater voice.D.To control powerful people.31.What is the best title for the text?A.Why Is Twitter so Valuable?B.Who Are Twitter's Target Users?C.What Did Elon Musk Do to Twitter?D.How Does Twitter Dominate the World?DAre you among the one in three Americans who gulps down a multivitamin every morning,probably with a sip of water?The truth about this popular habit may be hard to swallow."Mostpeople would be better off just drinking a full glass of water and skipping the vitamin,"saysDr.Pieter Cohen,an associate professor of medicine at Harvard Medical School.In addition tosaving money,you'll have the satisfaction of not succumbing to misleading marketingstrategies.That's because for the average American adult,a daily multivitamin doesn't provide anymeaningful health benefit,as noted recently by the US Preventive Services Task Force(USPSTF).Their review,which analyzed 84 studies involving nearly 700,000 people,foundlittle or no evidence that taking vitamin and mineral supplements（菅养片)helps preventcancer and cardiovascular disease that can lead to heart attacks,nor do they help prevent anearly death.However,this is not always the case.Highly restrictive diets,or certain weight-losssurgeries that cause poor nutrient absorption,are examples of reasons why a multivitamin orindividual vitamins might be recommended.A daily vitamin D supplement may be necessarywhen a person gets insufficient sun exposure.Your doctor may recommend an iron supplementif you have anemia,a low red blood cell count.Then why do people place too much reliance on vitamins?"They are very inexpensive tomake,so the companies can sink lots of money into advertising,"says Dr.Cohen.But becausethe FDA regulates dietary supplements as food and not as prescription()or over-the-counter drugs,the agency only closely monitors claims regarding the treatment of disease.Forexample,supplement makers cannot say that their product "lowers heart disease risk".Buttheir labels are allowed to include phrases such as "promotes a healthy heart"or"supportsimmunity",as well as vague promises about improving fatigue and low motivation.英语试题第7页（共12页）
