B The Himalayas are home to the highest peak Mount Ever- est,but also to the third largest store of ice and snow in the world.Now the first complete study of this remote region shows that its glaciers lost billions of tons of ice from 2000 to 2016.This is the first comprehensive(全面的)look at what's happened to glaciers in the Himalayas over a 40-year period,said the study's lead author Joshua Maurer. "Our study shows a strong signal of glacier ice loss linked to rising temperatures from climate change,"Maurer said.As much as a quarter of the region's ice has been lost over the last 40 years."Temperatures in the region have risen one degree Celsius higher than those from 1975 to 2000,and one degree was indeed
第一部分 听力(共两节,满分30分) 第一节(共5小题;每小题1.5分,满分7.5分) 听下面5段对话。每段对话后有一个小题,从题中所给的A、 B、C三个选项中选出最佳选项,并标在试卷的相应位置。听完每 段对话后,你都有10秒钟的时间来回答有关小题和阅读下一小题。 每段对话仅读一遍。 1.What does the man think of the painting? A.It's complex. B.It's simple. C.It's colorful. 2.How did the woman feel? A.Relaxed. B.Excited. C.Nervous.
brain exercise.Make it a point to read something every day.It could be a newspaper,book blog or magazine,but the more in- formative it is,the more of a workout it will be for your thinking cap. 38 Exercise your body.Exercising your body affects your strength,mood and fitness.Exercise excites the nervous system and causes you to perform at a higher level. 39 Communicating with others on topics of common in- terest is a great workout.Talking about in-depth topics like headline news and political interests exercises your ability to pay attention and focus.There are always many like-minded people who enjoy the same hobbies or share the same beliefs. Play games.The act of solving problems and figuring out puzzles is excellent for keeping your brain in shape. 40 Sol-
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(Text 3) M:You can look at pictures and read the interesting descriptions of places,but nothing can really replace going to a place your- self. W:Yes,but sometimes things like travel films do satisfy you if it's a place you're never likely to go. M:That's right. (Text 4) W:Jerry,I'm sorry.Please forgive me. M:Forget it,Beth. W:I didn't mean to hurt your feelings.What can I do to make it right between us? M:It doesn't matter.
nearly fell into the canoe looking for the price tag.There it was, with the manufacturer's suggested price at $6,750 plus tax crossed out and a handwritten TO CLEAR 750 AS IS.Must be a mistake.$6,000 off?Salesman.I had to talk to a salesman.I spotted a young fellow with“Hi.I'm Mathew”.“Mathew.Tell me about this El Supremo canoe.What's wrong with it?Why is it only$750?” "Oh.There's nothing wrong with it.It's brand new.We're closing the store.It's on clearance like everything else.I'll go check."A few minutes later he came back and said,"I'm sorry ma'am.Someone made a mistake on the sale tag.It should be $4,750 for the whole package. I felt tears well up in my eyes..“Oh well”,I said sadly..“Of
was just an introduction to French impressionist paintings. W:I see.I can read it then before the next class. M:Er,Julia,I'm calling as I wonder if you are free on Saturday evening.My friend Max is having a party and I'd like to know if you want to go. W:That would be really nice.I'll be free then.What time shall we go? M:How about meeting in the student union bar at 7:00 pm? W:That'll be fine.But shouldn't we buy a present for Max? M:Well,we can stop at the gift shop on the way. W:Fine,I'll see you then. (Text 9) W:Hi,Jim.I heard that you just moved to a new place.
【答案与解析】 Bike Batman是一名西雅图市民,一次意外让他开始了他的英 雄式行为。他希望通过帮助寻找丢失的自行车来维护西雅图作为 一个友好城市的声誉。 24.C根据第2段第1句“Bike Batman is a30-year-old married engineer who lives in Seattle,Washington.”可知,Bike Bat- man是西雅图的市民。 25.B ,根据第5段第2句“When he sees questionable bike ads on Craigslist,he cross-references the image with bikes reported on Bike Index.”可知,当Bike Batman在Craigslist发现有问 题的自行车销售广告时,他会先核实一下自行车的信息。 26.D 根据文章最后一句“..but the main reason he continues his work is to keep up Seattle's reputation as a friendly city.
stem cell transplantation for AIDS treatment,said Deng.The CCR5 gene mutation has been associated with a 21%increased risk of dying early,according to a paper published in Nature,though it's unclear why. China has invested heavily in gene-editing technology,mak ing biotechnology one of the priorities of its Five-Year Plan an- nounced in 2016.Deng says it could "bring a new dawn"to blood-related diseases such as AIDS,sickle anemia,hemophilia and beta thalassemia and that,thanks to new technology,the goal of a functional cure for AIDS is getting closer and closer. 32.How does HIV virus enter a person's cells? A.Through edited CCR5. B.Through a mutated gene.

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