Digital stopwatches can make rounding(四舍五入的)errors of up to 0.11 seconds,which could be enough to change the win- ner of close races.Although the devices record time extremely accurately,they often make errors when changing that raw data to human-readable numbers. Most digital stopwatches measure time by counting the pre dictable oscillations (of a quartz crystal.The crystal will pulse many thousands of times a second and the final count is transformed into seconds in a format known as a floating-point representation that is commonly used by digital devices. This floating-point number is extremely accurate,but must be transformed again for display on the limited screen of a stop-

24.Why did Brandon Jones email Ekiben restaurant? A.To get a recipe. B.To ask for a dish. C.To recommend a cook. D.To apply for a position. 25.How did Brandon Jones feel the moment he received the first reply? A.Sad. B.Content. C.Astonished. D.Disappointed. 26.What did Chu and his coworkers do in Vermont? A.They expressed gratitude to Rina's mother.

B The e-mail request came in to Ekiben restaurant in Balti- more,Maryland one afternoon:tempura broccoli(面拖花椰菜). The man who sent the e-mail was writing on behalf of his moth- er-in-law,who loved the dish very much.He explained she was now in the final stages of lung cancer at her home in Vermont and that he was hoping to be told how to cook the dish so that he could make it for her. Steve Chu,one of the restaurant's co-owners,read the e- mail and quickly replied with an alternative suggestion."Thanks for reaching out,he wrote."We'd like to meet you in Vermont and make it fresh for you. Brandon Jones,the son-in-law,thought it was unexpected.

OOn-demand access to a recording of the lecture for 12 months Booking information: OEventbrite will email you a confirmation immediately after purchase.You'll receive a separate email with a link to access the event auditorium (before the event;please note that each link is unique.The event auditorium will also provide access to the other items included in your ticket. OWe reserve the right to alter the event and its line-up,or cancel the event.In the unlikely event of cancellation,all tickets will be fully refunded. OTickets are only available in advance through Eventbrite. To ensure your place we recommend you book in advance.

第二部分 阅读理解（共两节，满分40分） 第一节（共15小题；每小题2分，满分30分） 阅读下列短文，从每题所给的A、B、C和D四个选项中，选出 最佳选项。 A Your Are Welcome To Our Online Talk:Brain Power! Time:6-7 pm Thursday,3rd February Theme:This talk is about the latest science on brain health, including what we know about preventing cognitive (de- cline as we get older and what we can do about improving our mental well-being today.The speaker will unpack the latest un- derstanding on the way that sleep,diet,exercise and our social lives are essential for maintaining our grey matter and will share

good introduction to the course,and it will probably cover a lot of useful information about the upcoming semester. W:Maybe you're right.It's just that I hate being in large groups.I'm not going to know anyone there. M:You'll know me,though.Besides,I think it will be a good chance to meet people,and there will probably be times when we will have to work together in groups. W:Our course outline seems to have all the information we need. I can't see there is anything new to discuss. M:I heard there will be a former graduate there to provide details about what kind of job opportunities are out there after we graduate.It could be more helpful than you think. W:I don't know.

or smell bad? M:No.Your hair is beautiful.I want my hair to look like that. (Text 5) W:Hello.I've just found this dog abandoned by the side of the road.I didn't know where to bring it,so I thought the police station was best. M:That's very thoughtful of you.There is a local animal shelter nearby.Let me call them to see if they can help. (Text 6) W:Do you fancy coming to my house and watching a video after school today?I hear it's interesting. M:I'd love to,though I have a lot of homework to do.But what is it?You know I'm not interested in musicals.