If you are cycling in foreign countries, you will need to know what these traffic signs and signals mean.
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A sign like this one means that there is a bike lane(车道). If there is such a sign，you are required to use the bike lane. If there is not such a sign, you should ride with traffic as far to the right side of the road as possible. |
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This signal means you can cross the street along with pedestrians(行人). It has a green picture of a oerson w alking instead of using the word“walk”. |
| 3 |
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This signal is the “don’t walk”sign. It is a picture of a red hand, meaning you should stop. You should wait to cross the street until the green picture of the person walking is showing. |
| 4 |
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Car drivers and bikers must come to a complete stop at“STOP” signs. |
| 5 |
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A“YIELD”sign means to slow down and be ready to stop. If there are pedestrians or vehicles in or near the crossroad, you must stop. If there is no traffic in or near the crossroad and it is safe, you may go through. |
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This signal means you are coming to a zebra crossing. Car drivers and bikers must stop to allow people in the zebra crossing to cross the street. |
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When people are working on the roads, parts of the road are often dug up or rough(不平整的). Be careful when yon are cycling. Rough roads could make you fall off your bike. If you must move into the road to go around a work area，you should stop and look carefully to be sure there is no traffic coming. |
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 A detour is a way of getting around a roadway that is closed. Roads are usually closed because of road work or dangerous conditions. If you must take a detour, be careful about the roads you aren’t used to. |
What are cyclists required to do when they see the sign?
| A．To ride against traffic. |
| B．To ride on the left side of the road. |
| C．To ride on the bike lane. |
| D．To ride on the right side of the road |
Which of the following signs has the same meaning as the sign?
What should cyclists do when they see the sign?
| A．They should be careful when they cycle on the rough road. |
| B．They should take the rough road and fall off their bikes. |
| C．They should move into the road to go around a work area. |
| D．They should take another route instead of the closed roadway. |
The first half of 2020 has been unusual． Let's look at the news below to review some biggest events．
Sad day for sports fans
On January 26， Kobe Bryant， one of the best NBA players in history， died when a helicopter crashed （坠毁）， killing him and eight others， including his 13﹣year﹣old daughter Gianna Bryant．People from all walks of life have paid tribute （敬意） to the basketball superstar﹣﹣not just for his achievements， but also for his personality and the inspiration （激励） he has given to us．
Olympic Games delayed（推迟）
On March 30， the International Olympic Committee （IOC） announced （宣布） that the Tokyo Olympic Games would be delayed until 2021 because of the coronavinus （冠状病毒） pandemic（流行病），The Tokyo Olympic Games will start on July 23， 2021 and run until August 8．Although the Games will take place in 2021，it will still be called Tokyo 2020．
Meet in the safest way
Some arrangement （安排） for this year's two sessions （两会） were changed．Online communication was being fully used to make sure about public health． The number of reporters attending the meeting was cut． Some press conferences （新闻发布会） and interviews with ministers （部长） were carried out online， Global Times noted．
Re﹣measure Mount Qomolangma
Eight members of a Chinese surveying team successfully arrived at the summit （山顶） of Mount Qomolangma at 11 a．m． on May 27． They set ofr on May 6， in order to measure （测量）the height of the highest mountain in the world again． A surveyor's beacon （觇标）， an important piece of measuring equipment （设备），has been placed on the summit． China has measured the mountain's height twice before．
（1）How many people died in the air crash on Jan.26？
A．8．
B．9．
C．7．
D． 13．
（2）When will the 2020 Tokyo Olympic Games actually start？
A． On March 30， 2021．
B． On July 23， 2020．
C． On July 23， 2021．
D． On Aug 8， 2020．
（3）Which of the following are the different arrangements for this year's two sessions？
①Online communication
②Fewer reporters
③Face﹣to﹣face interviews
A．①②③
B．②④
C．①③
D．①②
（4）China has measured the height of Mount Qomolangma so far．
A． once
B． twice
C． three times
D． four times
（5）According to the news， which of the following staterments is TRUE？
A． The Chinese surveying team set offon May 27．
B． The Tokyo Olympic Games will last for feen days．
C． This year's two sessions were held in the safest way．
D． Kobe Bryant Was one of the best CBA players．
When Shanghai introduced a new garbage﹣sorting policy（垃圾分类政策）in July last year，the city's residents （居民） took some time to get used to it．They joked that every time they took out their garbage，the staff（工作人员）standing by the bins would ask． "What kind of garbage are you？"
Starting on May 1， Beijing joined many Chinese cities by introducing a new garbage﹣sorting policy．People's Daily reported． Residents should sort their garbage into four groups： kitchen， recyclable， hazardous （有害的） and other waste．
These groups are represented（代表）by four different colors of trash bins﹣green，blue，red and gray．Those who fail to sort their trash correctly may be fined（被罚款）up to 200 yuan，Xinhua reported．
Some cities like Shanghai and Qingdao sort their trash differently．These cities use four different groups： wet， recyclable， harmful and dry．Although their names are different，the groups are actually the same． In fact， wet garbage in Shanghai is kitchen garbage in Beijing．And dry garbage is the same as other waste， China Youth Daily reported．
To help residents sort their trash correctly，the Beijing government is offering online guidelines．If people don't know how to throw away garbage，they can search for it on the WeChat account Guanchenglishi（管城理市） to find out． By searching a key word or taking a photo，people can immediately find out which group their waste belongs to．
（1）If people don't follow the garbage﹣sorting policy， ．
A． they will have to stand by the bins
B． they won't be allowed to throw trash away
C． they won't be noticed
D． they may face fines
（2）According to the passage， which of the following cities have the same names for garbage groups？
A． Beijing and Shanghai．
B． Beijing and Qingdao．
C．Shanghai and Qingdao．
D． Qingdao and Wuhan．
（3）Kitchen garbage in Bejing is the same as in Shanghai．
A． wet garbage
B． dry garbage
C． recyclable garbage
D． harmful garbege
（4）What does the underlined word "guidelines" in Paragraph 5 probably mcan？
A．参考
B．约束
C．管理
D．指导
（5）What do we know from this story？
A． Beijing uses four different groups： kitchen， recyclable， hazardous and dry．
B． Garbage﹣sorting is being carried out all over China．
C． Guanchenglishi can help residents in Beijing with the garbage﹣sorting．
D． Residents in Beijing are troubled by garbage﹣sorting．
Once upon a time， a young man wanted to go to a village on business．Halfway there was a mountain．Before he left home，his family warned him to stay calm and climb onto trees if he met beasts（野兽）．In this way， the beasts couldn't do anything to him．
The young man remembered these words and began his trip．
He walked for a long time carefully and found no beasts were out there．He thought his family's worries were unnecessary．And he became relaxed as he walked．Just at that moment，he saw a large tiger running to him and he climbed onto a tree nearby at once．
The tiger roared （咆哮） around the tree and even jumped to reach the man．The young man was too scared to hold the tree and fell right on the back of the tiger． Full of fear， he had to hold the tiger tightly． The tiger thought that must be a large beast． So it was afraid and started running madly．
People on the road didn't know what happened and said，"Look at the young man．He is riding a tiger!" "Cool!" "Superman!"
Hearing these words， the young man was almost crazy． "Why cant they see I'm suffering a lot？Don't they understand I am in fear and almost scared to death？ He said to himself．
（1）The young man went to the village to ．
A． climb a mountain
B． do business
C． ride a tiger
D． climb onto trees
（2）The young man's family warned him of ．
A． terrible traffic
B． large beasts
C． cold weather
D． foolish people
（3）The young man when he saw the tiger．
A． did what his family told him
B． was not scared at all
C． thought his family's advice was useless
D． was too scared to climb onto the tree
（4）The tiger thought the man was so it started running madly．
A． riding on it
B． cool
C． a large beast
D． a superman
（5）What do we know from the passage？
A． What others said is not important．
B． Don't give up when you are in danger．
C． Humans are more powerful than beasts．
D． What you saw is not always true．
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（1）How many kinds of jobs does Lily's offer？
A． Six．
B． Five．
C． Three．
D． Seven．
（2）Who can work as a waiter at Lily's？
A． A man who worked in KFC for 2 years．
B． A man who can only work on weekdays．
C． A man who wants to make ﹩20 an hour．
D． A man who can only work for 2 hours a day．
（3）A person who gets the job as a cleaner will get a day．
A． ﹩80
B． ﹩60
C． ﹩120
D． ﹩600
（4）You can to get more information about these jobs．
A． make a call
B． write a letter
C． send an e﹣mail
D． visit the boss
（5）The passage above may come from ．
A． a shopping website
B． a science magazine
C． a story book
D． a morning newspaper
阅读下面短文，简略回答所提出的问题．
Cao Yuan was born in 1996．As he was a young kid，he liked to learn on his own． He was not afraid of asking difficult questions．He spent two years finishing his middle and high school classes． At the age of 14． he started taking classes at a university． Although Cao is young． he shows maturity（成熟）beyond his age．
When he was 24， he published（发表）two papers in Nature on May 6th． Nature is one of the top science magazines in the world． Many scientists dream of publishing their papers in it． But it is really hard． One has to make a very important discovery．
Cao's papers are about graphene（石墨烯）一the thinnest and strongest in the word． Scientists first discovered it in 2004．
However， Cao found that sometimes graphene can change， It can change between a superconductor（超导体）﹣a material that conducts electricity（导电）， and an（绝缘体）﹣a material that doesn't conduct electricity． With it， scientists can find cheaper and easier ways to use electricity．
Now Cao is a doctoral student studying at MIT． He isn't afraid of failure in his work． "He Just rolled up his sleeves（袖子）and went on working．"
（1）What did Cao Yuan like to do when he was a kid？
（2）Where did Cao Yuan publish two papers on May 6th？
（3）Why do many scientists dream of publishing their papers in Nature？
（4）When did scientists first discover graphene？
（5）Is Cao Yuan afraid of failure？
