新高考高一英语时文阅读专练(含答案解析)

新高考高一英语时文阅读专练（含答案解析）

A

In a new report, infectious disease expert Jeffrey Shaman believes there were at least half a dozen stealth coronavirus cases to every one diagnosis at the start of the epidemic.

The explosive spread of coronavirus was likely caused by ‘stealth transmissions’— undiagnosed people with mild symptoms unwittingly spreading the disease, a new study claims. Infectious-disease expert Jeffrey Shaman believes the actual number of contaminated worldwide is far greater than reports, estimating a million people may have been infected.

The environmental health sciences professor at Columbia University who co-wrote the study published on Monday said social distancing is a must in order to combat seemingly healthy people spreading the virus. Despite only being half as infectious as the documented infections, these stealth cases resulted in at least two-thirds of documented infections, Professor Shaman and his colleagues said. Prof Shaman said this flip in the ratios meant about 60 percent of carriers were confirmed — but fast forward to now and new daily cases have significantly dropped from thousands to tens. The study says a “radical increase in the identification and isolation of currently undocumented infections would be needed to fully control” the novel coronavirus.

People in the UK, meanwhile, have been told to avoid pubs, clubs and restaurants and work from home wherever it's possible to slow the spread of coronavirus which has now claimed 55 lives in the UK. Prime Minister Boris Johnson said at a press conference yesterday urged everyone to “stop non-essential contact and to stop all non-essential travel”. The PM said London appeared to be “a few weeks ahead” of other areas and urged people in the capital to pay special attention to the measures — including home working — suggested by the Government. The UK death toll yesterday rose to 35 while there have now been 1,543 cases. Health Secretary Matt Hancock yesterday said that over-70s could be asked to self-isolate for four months.

Across the world more than 6,000 people have now died from the disease.

1. How many people at least potentially got infected when one was diagnosed, according to Jeffrey Shaman?

A. Twelve.

B. Six.

C. Seven.

D. Ten.

2. What’s the best way to prevent the spreading from undiagnosed people with mild symptoms?

A. Wearing medical masks.

B. Not going to work.

C. Keeping a social distance.

D. Sending these people to hospital.

3. How does Professor Shaman consider the current control of the novel coronavirus?

A. Cheerful.

B. Uncertain.

C. Depressing.

D. Impossible.

4. Which of the following is NOT the advice of UK government?

A. To work at home instead.

B. Not to go out for any dinner.

C. To cancel unnecessary travel.

D. To self-isolate for the aged.

B

Smart Cane Helps Identify the Blinds’ Surroundings

This electronic walking stick is revolutionizing the way that blind people can navigate① the world.

As a means of protecting people from low-hanging objects and obstacles above chest level, the WeWalk smart cane uses ultrasonic sensors to warn the user of nearby hindrances through vibrations② in the handle.

The cane can be paired with a smartphone’s Bluetooth system for easy control. Since it is also integrated③ with V oice Assistant and Google Maps software, it can use built-in speakers to inform the user of nearby stores and infrastructural details that they may not be able to see.

WeWalk CEO and co-founder Kursat Ceylan, who is also blind, told CNN that he helped to develop the cane out of a desire to use modern technology as a tool for the visually impaired.

“In these days we are talking about flying cars, but these people have been using just a plain stick,” he told the news outlet.

“As a blind person, when I am at the Metro station I don’t know which is my exit … I don’t know which bus is approaching …which stores are around me. That kind of information can be provided with the WeWalk.”

The WeWalk is currently being sold for $500 a pop. As the Turkish tech startup gains more traction, the developers hope to eventually pair it with ridesharing apps and transportation services to further improve its navigational abilities.

C