【推荐1】Directions: After reading the passage below, fill in the blanks to make the passage coherent and grammatically correct. For the blanks with a given word, fill in each blank with the proper form of the given word; for the other blanks, use one word that best fits each blank.

Are User-friendly Passwords on the Horizon?

Imagine a whole new type of password—one that less you no loager use all those numbers, letters and symbols, but is still unavailable to attackers.

Researchers     1     (create) a new password system that can one day allow users to access their bank accounts, phones or favorite websites simply by picking out a familiar face from a grid (网络) of nine faces, four times in a row.

They call the system Facelock,     2    , according to a new study, is full of benefits.

With Facelock, the images in the system are always changing—even the image of the familiar face. The research team explains that people do not recognize all faces equally. We have no trouble     3     (identify) a familiar face across a series of different images that range     4     quality. On the other hand, when a face is not familiar to us, we are     5     (likely) to think that different images of the same person are actually images of different people.

The well-studied psychological phenomenon can be frustrating to police when they ask a witness to identify a person     6     (catch) in an unclear security camera tape, but in the case of Facelock, the researchers were able to exploit it for the good of frustrated password users.

The researchers looked at     7     vulnerable the Facelock system is to attack by strangers, as well as people who are close to the users, such as a spouse or other family members.

Facial Recognition System is hard     8     (break) by people who don’t know the users. Even people who were very close to the users were only able to get through all four grids successfully 6.6 percent of the time.

“    9     (take) into account the success rates of account holders (97.5 per cent), random zero-acquaintance attackers (less than 1 per cent), and nominated high-acquaintance attackers (6.6 per cent), we believe that     10     there’s still a long way to go, it is a promising starting point”, the researcher wrote.

【推荐3】语法填空

If a little human-like robot begged you not to shut it off, would you show sympathy?

In an experiment     1    (intend) to find out how people treat robots when they act like humans, many participants struggled to power down a begging robot named Nao.    2     experiment was conducted by researchers in Germany, whose findings     3    (publish)in the scientific journal PLOS ONE.

The robot Nao,    4    was designed to beg about half of the participants not to switch it off but not the other half, was used     5    (measure) if his begging affected how people reacted.

In one previous experiment,researchers found that people preferred communicating with robots with complementary (互补的) personality characteristics to their own. And since robots can exhibit social characteristics either     6    (speak) with human voices or taking the shape of a human body, the research     7    (suggest) that people tend to react “    8    (especial) social to them.”

The researchers said a possible     9    (explain) for their results was that people regarded Nao’s begging     10    “a sign of making its own decision”.

【推荐1】阅读下面短文，在空白处填人1个适当的单词或括号内单词的正确形式。

China on October 12 officially announced the first group of national parks. Home to nearly 30 percent of the key wildlife species found in China, they cover    1    protected land area of 230,000 square kilometers.

The    2     (establish) of the first group of national parks is a practical move by China to strengthen its effort     3    (promote) natural ecological protection.

The Three-River-Source National Park    4     (locate) on the Qinghai-Tibet Plateau—known as the world’s “third pole”. The Giant Panda National Park protects the major habitats of 70 percent of the country’s wild giant pandas.    5    (obvious), the Hainan Rainforest National Park is home to China’s largest rainforest and the Hainan gibbon. Mountain National Park experimental area is the only park in China     6    is listed as a UNESCO cultural and     7    (nature) heritage site. It emphasizes sustainable development between     8    (human) and nature,    9    (reflect) China’s environmental protection principle.

Commercial activities are banned in the national parks and are all put     10    the control of the national rules for ecological protection.

【推荐2】阅读下面短文，在空白处填入1个适当的单词或括号内单词的正确形式。

Among all the members in the cat family, the Siberian tiger is the largest in size. Also known as the Northeast Tiger in China, the Siberian tiger is one of the most     1     (endanger) animals in the world, mainly living in Russia’s Far East and Northeast China. Now about 500 Siberian tigers are believed to be living in the wild. Long ago, Siberian tigers     2     (be) all over Northeast Asia and Russian Far East, but today they are found mainly along the Chinese-Russian border and     3     (possible) in North Korea. The main reason for their decrease in numbers is the     4     (disappear) of their natural habitat. Fortunately, steps     5     (take) to save this magnificent creature in recent years and as a consequence numbers are     6     the rise.

Recently, a wild Siberian tiger has been spotted in a forest area in Northeast China’s Heilongjiang province.     7     (suggest) the ongoing improvement of the local ecological environment, according to forest rangers (护林人). News report says that footprints and excrement (排泄物) of a suspected Siberian tiger were found by local forest rangers and they checked the infrared (红外线) cameras in the area and saw     8       appeared to be an adult wild tiger. A DNA test of the tiger’s excrement has confirmed that it is     9       new adult male tiger. rather than the one rescued and later released into the wild in 2021. “This is the fifth adult wild Siberian tiger     10     has been spotted in the Muling forest-area in recent years,” they said.

【推荐3】阅读下面短文，在空白处填入1个适当的单词或括号内单词的正确形式。

Global temperature changes are in fact a natural process. However, human demands for energy, manufactured goods, transport and animal products have increased carbon emissions (排放). We     1     (cause) over 1°C of warming since the 19th century. For comparison, it     2    (take) 5,000 years for the Earth to warm up by 4-7°C after ice ages.

The small numbers may seem insignificant,     3    this temperature increase has had a huge impact globally. Sea levels have risen 15cm in the past century. Animals and ecosystems can’t keep up with the new rate of change,     4     forces many species into extinction. In turn, this comes back to bother humans, who rely on a balance of all ecosystems     5    (keep) our way of life.

Unless we completely change our habits, our future could be     6    (hope). In face of climate change, what governments should be focusing on now is promoting     7    use of renewable energy, supporting green farming, and reducing population     8     (grow). Individuals can pay attention to     9    (cut) out car and plane travel, limiting their intake of animal products, and consuming far less manufactured goods. It will take much more than a village, but it’s possible — and everyone is responsible     10     what happens next.