(练习)课时分层作业11 Unit 4 Developing ideas—Writing-【提分教练】2023-2024学年新教材高中英语选择性必修第三册(外研版2019)

课时分层作业(十一) Ⅰ．单句语法填空 1．I am standing alone in the playground， (desperate) wanting to make friends． 2．Maintaining your daily routine can help you adjust the stress of the business trip． 3．He overslept and got up too late this morning and that was he missed the train． 4．Throughout the past decade，my high school has been (consistent) ranked as one of the top teams in New Jersey． 5．It is said that the vase is an (imitate) of the one in the museum． 6．Sophia closed her eyes (tight) in a vain attempt to hold back the tears． 7．We cannot apply (mechanical) other people's experience． 8．Technical experts also pointed out that the design was (fault)． Ⅱ．阅读理解 If humans ever hope to live on the Mars，the settlers will need to produce a series of organic compounds (有机化合物)，from fuels to drugs，which are too expensive to ship from Earth． Chemists from University of California，Berkeley，and Lawrence Berkeley National Laboratory (Berkeley Lab) have a plan for that． For the past eight years，the researchers have been working on a system combining bacteria and nanowires (纳米线) that can catch the energy of sunlight to change carbon dioxide (CO2) and water into building blocks for organic things．Nanowires are thin wires about one-hundredth the width of a human hair，used as electronic parts，and also as solar cells． “On Mars，about 96% of the atmosphere is CO2．Basically，all you need is these nanowires to take in the solar energy and pass it on to these bacteria to do the chemistry for you，” said project leader Peidong Yang，professor of chemistry and the S．K．and Angela Chan Distinguished Chair in Energy at UC Berkeley．“For a deep space task，you care about the weight，and biological systems have the advantage that they self-reproduce：You don't need to send a lot．That's why this version is highly attractive．” The only other requirement，besides sunlight，is water，which on Mars is relatively more than enough in the polar ice caps and l