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2861．Tech giants Apple and Google are teaming up to create a system that would let smart phone users know when they've come into contact with someone who has COVID-19.
The technology would rely on the Bluetooth signals that smart phones can both send out and receive 1 aperscn tests positive（陽性）for COVID-19，they could inform public health authorities through an app.Those public health apps would then warn anyone whose smart phones bad come tear the infected person's phone in the previous 14 days.The technology could be used on both Google Android phones and Apple iPhones.
The companies insist that they will preserve smart phone users' privacy and their technology will be used only by public health authorities to trace the spread of COVID-19.Smart phone users can choose to use it.The software will not collect data on users' physical locations or their personally identifiable information.People who test positive would remain unknown to the public，both to the people who came in contact with them and to Apple and Google. "Privacy is of greatest importance in this effort，" the companies said in a joint statement.
The American Civil Liberties Union has warmed that using cellphone data to handle the pandemic carries risks of "destruction of privacy".In a statement on Friday，ACLU cyber security counsel Jennifer Granick said，"The system also can't work well if people don't trust it".She said that the joint Apple and Google project "appears to reduce the worst privacy risks，but there is still room for improvement." She added that the contact tracing app should be used only for public health purposes and only for the duration of this pandemic.
Public health officials say the contact tracing -finding people who have been in contact with an infected person will be a key step in lifting shelter in-place restrictions.
It would allow people who are known to have been exposed to the virus to isolate themselves，while letting others recover normal activities.
（1）What is the main purpose of the passage？
A．To advertise for public health.
B．To introduce a contact tracing system.
C．To warn the public of risks of COVID-19.
D．To raise people's awareness of privacy protection.
（2）What do the companies promise to do in particular？
A．Warn people who test positive.
B．Protect infected people's privacy.
C．Work with public health authorities.
D．Collect data on users physical locations.
（3）What does the underlined sentence in Paragraph 4 suggest？
A．Public health issues are traced accurately.
B．Only people's trust influences the system.
C．The system is at the risk of being destroyed.
D．Jennifer thinks the system should be better.
（4）The system is mainly designed to.
A．ensure infected people's recovery
B．guarantee people's normal activities
C．help prevent the spread of COVID-19
D．encourage all the people to isolate themselves發(fā)布：2024/5/23 20:38:36組卷：42引用：2難度：0.52862．Jane：Our school will host a sports meeting in the stadium， （1）
it？
Sally：Yes，I have also learned about jye.ai.It will let us pay more attention to health and（2）（fit）.
Jane：You are sure to take part in it， （3）you？
Sally：Yes，I would like to play soccer and badminton.You will come（4）with us，（5）you？
Jane：Of course.I（6）（work） out recently and I have the （7）（determine） to win a gold medal for our class.
Sally：I have been sweating in the past few jye.aieks.We can make it， （8）we？
Jane：Yes，we must spare no effort to win glory for our class.
Sally：I quite agree with what you said.Let's practise together in the playground， （9）we？
Jane：OK.Nothing is more important than the honour of the whole class，（10）it？發(fā)布：2024/5/23 20:38:36組卷：8引用：1難度：0.52863．單句語法填空
①Teachers often stress the importancediligence on the way to success.
②Many young people live a（stress） life now.發(fā)布：2024/5/23 20:38:36組卷：19引用：1難度：0.82864．閱讀下面短文，根據(jù)所給情節(jié)進(jìn)行續(xù)寫，使之構(gòu)成一個(gè)完整的故事。
I reached into my backpack，feeling for my cellphone.I was tired of Aunt Letty talking on and on about her chickens，horses and cows.Worse，I was afraid of having to spend spring break at her farm.
In spite of my protest，my parents decided that spending time at the farm would be a great experience for me.My parents both grew up on farms and believed that responsibility，hard work and respect for the land were valuable lessons. "Lessons you need to learn，son，" they said.
"So，have you ever ridden a horse？" Aunt Letty asked，trying to turn my attention away from my phone.
"Hmmm，no.But I've seen horses on TV，" I answered，absent-minded.
"Well，we've got a nice horse I think you'll like. Hercules — sounds like a beast，but he's a gentle giant.The other animals have names too，but don't worry，you won't have to remember their names.If you show up at the gate with feed，they're happy!" she said smiling.
I glanced at my aunt，angry that I was expected to work.Vacations were meant for sleeping late，playing video games，and maybe skateboarding.I tried to text a friend.
"Phones don't work well out here.With all the hills and valleys，it's hard to get a connection."
I continued texting，but she was right — there was no cell reception.
The next few days were busy.We had breakfast before dawn.Then we went out to the barn to get the feed while the animals waited to be fed.The afternoons were occupied with hauling hay，clean-up，and caring for the animals.The animals depended on Aunt Letty，but they also provided her with affection and necessities such as eggs，milk and cheese.
At dusk，when the farm was finally quiet，Aunt Letty stretched her arms out and said， "Just take a deep breath of the sweet country air!" I，exhausted，was unable to appreciate my work.
注意：
1.所續(xù)寫短文的詞數(shù)應(yīng)為150左右；
2.應(yīng)使用5個(gè)以上短文中標(biāo)有下劃線的關(guān)鍵詞語；
3.續(xù)寫部分分為兩段，每段的開頭語已為你寫好；
4.續(xù)寫完成后，請(qǐng)用下劃線標(biāo)出你所使用的關(guān)鍵詞語。
On the fourth day，Aunt Letty announced， "It's time to meet Hercules."_________.
After the ride，time at the farm seemed to be different._________.發(fā)布：2024/5/23 20:38:36組卷：11引用：1難度：0.22865．He was
（受傷的） in the first game and unluckily missed the final.發(fā)布：2024/5/23 20:38:36組卷：3引用：1難度：0.72866．Good teamwork is a
（power） tool for effective management.發(fā)布：2024/5/23 20:38:36組卷：7引用：1難度：0.82867．The company sells
（vary） cars to many cities.發(fā)布：2024/5/23 20:38:36組卷：1引用：1難度：0.72868．As a middle school student，it's unwise of you to
（假裝知道）what you don't know.發(fā)布：2024/5/23 20:38:36組卷：2引用：1難度：0.82869．這就是我給你寫信的原因。
This is the reason.發(fā)布：2024/5/23 20:38:36組卷：3引用：2難度：0.52870．There are three books
I reread annually.發(fā)布：2024/5/23 20:38:36組卷：0引用：1難度：0.9
