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Global efforts to control malaria through effective vaccine, insecticides and the best drug combinations require urgent, united action by scientists, drug companies, governments and the WHO.

63. Which of the following is scientists? headache?

A. The number of mosquitoes in Africa is growing rapidly.

B. Some genetic variants of mosquitoes are still unknown.

C. The existing insecticides aren?t as effective as they used to be.

D. Millions of African people have resistance to medicines for malaria. 64. Malaria cases can be cut by ______. A. threatening drug companies B. spraying insecticides C. limiting blood donation D. transmitting data

65. What CANNOT be concluded from the passage? A. Children are more likely to be bit by mosquitoes.

B. Many previously unknown variants are found in the study. C. The mosquito migration contributes to the spread of variants. D. Anopheles mosquitoes have great genetic diversity. 66. Which is FALSE about the genetic study of mosquitoes?

A. It created the largest data on natural genetic variation for any insect species. B. It found the possible causes for the rapid evolution of insecticide resistance. C. It discovered where the genetic variants emerged and how they were spread.

D. It highlighted the public efforts and appealed to limit the use of insecticides.

Section C

Directions: Read the following passage. Fill in each blank with a proper sentence given in the box. Each sentence can be used only once. Note that there are two more sentences than you need. A. But despite its popularity, experts warn that biometrics might not be as secure as we?d imagined. B. Security experts don?t think it absolutely necessary to use biometric technology. C. But using multiple security measures is the best defense. D. Now, this type of technology might not be far away. E. If a person’s biometric information is stolen, that could have extremely serious consequences for that individual F. The chance that a random person could look at your iPhone X and unlock it with his face is about one in a million.

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Imagine you're standing in line to buy an afterschool snack at a store. You step up to the counter and the cashier scans your food. Next, you have to pay. But instead of scanning a QR code with your smartphone, you just hold out your hand so the cashier can scan your fingerprint. Or, a camera scans your face, your eyes or even your ear. __________67__________ As technology companies move away from traditional password, biometric（生物识别） security, which includes fingerprint, face and voice ID, is becoming increasingly popular.

In 2013, Apple introduced the iPhone 5s, one of the first smartphones with a fingerprint scanner. Since then, using one’s fingerprint to unlock a phone and make mobile payments has become commonplace, bringing convenience to our lives. And since last year, Samsung has featured eye-scanning technology in its top smartphones, while Apple’s new iPhone X can even scan a user’s face.

__________68__________ “Biometrics, ideally, are good,” John Michener, a biometric expert, told tech website Inverse. “In practice, not so much.” in

When introducing the new iPhone’s Face ID feature at Apple’s Keynote Event September,

Phil

Schiller,

Apple’s

senior

vice

president,

said,

“__________69__________”

But it’s already been done. In a video posted on community website Reddit on

Nov 3, two brothers showed how they were each able to unlock the same iPhone X using their own face, Quartz reported. And they aren’t even twins.

“We may expect too much from biometrics,” Anil Jain, a computer science professor at Michigan State University, told CBS news. “No security systems are perfect.”

Earlier this year, Jain found a way to trick biometric security. Using a printed copy of a thumbprint, she was able to unlock a dead person's smartphone for police.

“It’s good to see biometrics being used more,” Jain told CBS News, “because it

adds another factor for security. __________70__________”

IV. Summary Writing

Directions: Read the following passage. Summarize the main idea and the main point(s) of the passage in no more than 60 words. Use your own words as far as possible.

It’s a common sight to see food delivery workers riding electric bikes through

big cities in China. Most of them seem to be in a hurry, as they run red lights to deliver their meals in time. However, such reckless（鲁莽的）behavior often causes serious problems.

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In the first half of this year, food delivery drivers had 76 traffic accidents in Shanghai alone, according to the Shanghai Public Security Bureau. This means that on average, there is a food delivery worker that gets hurt or even dies on the road in Shanghai every 2.5 days.

Other cities also share similar problems. In Nanjing, three people died and 2,473 were injured in road accidents related to food delivery workers in the same period, according to the Ministry of Public Security.

The rise of reckless behavior among food delivery workers is closely related to the growing demand for their service, reported People’s Daily. About 150 million people in China use food delivery services, according to China Radio International (CRI). Such a big market has led to a large demand for food delivery workers, with some companies offering high salaries to attract new workers.

However, food delivery workers are often under high pressure from their employers. They face company fines of 20 yuan for delivering food late and upwards of 200 yuan for receiving complaints, reported CRI. Moreover, the more orders they take, the more commission（佣金）they can earn, leading to some workers checking their mobile phones for new orders while they're riding their bikes.

While most companies have measures requiring delivery workers to follow traffic rules, “there remains a problem of whether these requirements and rules for delivery workers are truly entering their ears, brains and hearts,” Wang Liang, deputy head of the Traffic Police Security Bureau, told news website The Paper.

To solve the problem, some cities have taken action. Shanghai has asked companies to train their workers on traffic rules and safety. Now in Shenzhen, if a delivery worker gets caught breaking traffic rules more than twice, he or she will be banned from driving food delivery vehicles for a whole year.

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第II卷 （共40分）

I. Translation

Directions: Translate the following sentences into English, using the words given in the brackets.

1. 这个比赛旨在鼓励年轻人继承中国文化的传统。（aim） 2. 不可否认个人信息的泄露可能会带来安全风险。 （denying）

3. 人们对高质量教育的需求和不够充足的教育资源之间的矛盾有待解决。（remain）

4. 令我们吃惊的是那个书呆子对上海绿地申花赢得了2017中国足协杯(CFA Cup) 冠军的消息一无所知。(ignorant)

II. Guided Writing

Directions: Write an English composition in 120-150 words according to the instructions given below in Chinese.

马拉松(marathon)比赛需要志愿者发放矿泉水，学校校庆需要招募引导员。请你从中选取一个感兴趣的志愿者岗位，写信给负责老师完成报名，并在信中具体谈谈你的理由。

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