(练习)课时分层作业8 Unit 3 Fit for Life-【提分教练】2023-2024学年新教材高中英语选择性必修第二册(译林版2020)

课时分层作业(八)　 Ⅰ.单句语法填空 1．There are bound to be people who will tell me that both of these phenomena (phenomenon) are exceptions that do not disprove the theory. 2．One possible reason is that dust can affect the breathing system and people may be more open to infection/being infected (infect). 3．There is growing evidence that staying up late at night has a serious impact on people's health. 4．In our city people have used smart water meters to take the place of traditional water meters. 5．Despite the long distance between the two countries, they enjoy good economic relations, which can date back to the early 1960s. 6．In order to promote trade, the two countries decided to switch (switch) to RMB settlement. 7．Anxiety (anxious) can affect a child's performance in school, so keep an eye on your child's mood. 8．According to the study, about a third of children have been severely (severe) overweight due to lack of exercise. 9．He got full marks in the final examination/exam (examine) because of his hard work. 10．So far, every possible means has been tried (try) to solve the problem. Ⅱ.阅读理解 According to a recent study, a new kind of genetically modified(转基因的)rice can prevent infections of HIV, the virus responsible for the disease AIDS. The study reports the newly­developed rice produces proteins(蛋白质)that attach directly to the HIV virus. This process keeps the virus from mixing with human cells. The scientists say it can remove the effect of the virus and block its spreading. The Joint United Nations Programme on HIV/AIDS reports that worldwide, nearly 37 million people were living with HIV in 2017.The organization says the largest number of those is in developing countries. Nearly two thirds of HIV cases are in Africa. Now there is no cure for HIV/AIDS though there have been developments in oral drug treatments to slow the progression of the disease. The new study predicts the rice­based method will lead to long­term use of the anti­HIV treatment across the developing