仔細閱讀答案(第一套)

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46-50:AI助手46: B It is a course designed for students to learn online47: C Students' questions were unsatisfied weith the assistant48: A She turned out to be a great success49: D They could not tell her from a real person50: C Assign her to answer more of students questions51-55:科學籌款51: C Not all of them achieved their anticipated goals52: B To identify reasons for their different outcomes53: B Its interaction with prospective donors54. A They should be small to be successfu55: D Their feeling of connection to the scientists themselves

仔細閱讀答案(第二套)

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46-50:飲料征稅46: B It may encourage other Us cities to follow suit47:C Take legal action against it48: D It criticized the measure through advertising49:B Help people to fix certain long-time health issues50:A They are becoming rather sensitive issues51-55:微波爐51: DThe use of microwaves emits more CO2 than people think52: A They are becoming more affordable53: B Improving microwave users' habits54: A There are far more emissions from cars than from microwaves55: C It plays a positives role in environmental protection

仔細閱讀答案(第三套)

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46-50:教材的命運46: CThey cant connect professors and students as textbooks do47:DFalling sales48: AReform its structures49:CAnswer questions using their personal experience50: BThey can learn in an interactive way51-55:新型物種51: DIt gets energy from both food and sunlight52: AThe genes it captures from the sea plant algae53: DThey can produce chlorophyll on their own54: CThey dont usually function inside animal cells55: BThey can survive for months without eating