1 . 阅读下面材料，在空白处填入适当的内容(1个单词)或括号内单词的正确形式。

According to a new study, the world population     1     (decline) for the first time in the next century.

The world population is currently estimated at 7.8 billion. The     2     (globe) population could possibly peak at around 9.7 billion in 2064. Then it will fall to 8.79 billion in 2100. Due to low birth rates and aging populations, up to 23 countries, including Japan, Italy, Spain, Portugal, and others might see their populations fall by over 50%. China will see its drop     3     1.4 billion in 2017 to 732 million in 2100. But it also predicted some regions would witness     4     increase in population like North Africa and the Middle East.

Lead study Professor Stein, told the press, “The last time that world population declined was in the mid-14th century,     5     (result) from the Black Plague (黑死病) .     6     our forecast is correct, it will be the first time that population decrease     7     (drive) by fertility (生育) decline, as opposed to events such as a pandemic or famine (饥荒).”

The fertility rate is the average number of     8     (child) a woman has over her lifetime. “It is likely     9     (drop) steadily, from 2.37 in 2017 to 1.66 in 2100,     10     is greatly below the minimum rate (2.1 live births per woman) necessary to maintain population levels,” he added.

2 . 阅读下面短文，在空白处填入适当的内容(1个单词)或括号内单词的正确形式。

Suddenly, old-fashioned road trips are in style again. Websites, newspapers, magazines and even     1    (book) are featuring road trips, even though they are actually     2    long-standing American tradition in pop culture, from the 1950s Beat Generation literary classic “On the Road” to the 1983 comedy movie “National Lampoon’s Vacation”. In some ways, the comeback of this 20th-century style vacation     3     (be) surprising in an age when “time has become far more     4     (value) than money”, writes Richard Ratay in his coming book, “Don’t Make Me Pull Over!: An Informal History of the Family Road Trip”. In other words,     5    do you spend 18 hours driving 1, 200 miles when you could get there in two hours     6     plane?

Here is why: flying is expensive, and the more people taking the trip, the     7     (cheap) it is to pile very one of your group in a car. Flying is also unpleasant. Getting to the airport, allowing time for     8     (secure) checks and dealing with delays and baggage an easily turn a two-hour flight into a trip that takes up most of your day and all of your soul. For some travelers, it is more appealing     9     (get) up early, hit the road and spend all day driving. At least you can bring more than one bag without     10     (pay) extra. And you can stop where you want and when you want.

3 . 课文内容填空
　　There are two different news    1    (report) on the Henderson fire. They are written from basically the same perspective, but they contradict each other     2     terms of factual details. That’s because news reports are written by journalists who may have different    3     (priority) and choose to write a report with that focus. Another aspect worthy    4    mention is that journalists may approach figures they get from research or interviews differently. For us, checking different sources enables us to draw a more informed    5    (conclude). Though journalists are    6    (commit) to presenting the truth in their reports, it is better to use our own     7     (judge) than rely entirely on a single source of news. With great discrimination, every one of us has the potential to be a    8     (critical) news reader.

5 . 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。

Public­square dancing is now very popular with the elderly people in China. In fact, many Chinese ladies, mostly women in their fifties or sixties,     1     (take) up square dancing as a regular form of exercise over the years. Every day after supper, they gather on the square dancing. They think that square dancing is     2     great benefit. Besides helping them keep fit, it also provides them with a good chance     3     (improve) the relationship with neighbors. Also, such dance actually enriches their     4     (culture) life on the whole.

    5    , public­square dancing has also caused some social concerns. The music of square dancing tends to be very noisy,     6     of course disturbs the normal life of people living nearby. Besides,     7     (expose) to such loud noise may do harm to the dancers’ health in the long run.

Square dancing is no doubt     8     good form of exercise and enjoyment, but dancers should take their neighbors’ needs into     9     (consider). They should choose a right time and turn down their music a bit so that they will cause little trouble for others. Only in this way can they dance     10     (happy) and live in harmony with their neighbors.

8 . 阅读短文，在空白处填入1个适当的单词或括号内弟词的正确形式。

The US national farm-to-school movement     1    (grow) so fast recently that it is challenging traditional notions (概念) of city planning, and a preschool in the state of Georgia is at ground zero in the conflict.

The Little Ones Learning Center in the city of Forest Park has a nationally     2    (recognize) garden-based education program.

The primary goal was to influence food     3     (prefer) of children and their parents, but the preschool also wanted to give residents in the surrounding neighborhood access     4     eat many fruits and vegetables. In2018, Little Ones started farm stand to sell produce to parents and neighbors. The produce grown in the school’s garden     5     (bring) in from nearby farms.

    6     in August 2019, City Hall shut the program down.     7    turns out that Little Ones is in a residential area and is not zoned for farm stands.

Little Ones owner Wande Okunoren-Meadows believes the law needs     8     (change). She went to a city council meeting in early September last year to say so. The city refused to change it.

She isn’t worried just about her school. She wants a law     9     allows other preschools to follow her lead and expose     10    (many) residents to the taste of organic kale, sweet peas and watermelon.

10 . 语法填空

Is artificial intelligence the greatest human achievement or the biggest threat to our     1    (exist)? People in the Technology of Tomorrow Forum have different views. Millenniumbutterfly thinks that his daily life is more    2    (convenience) with the advance of artificial intelligence. For example, he has got his super-smart personal assistant    3    (build) into his phone. The assistant answers any question he puts to her    4    (immediate) and even uses his answers    5    (learn) more about his preferences. He hopes that more breakthroughs in AI will be made soon, so that people can enjoy more and more benefits. Popkid admits that more advanced AI could be helpful in    6    (solve) the world’s problems,     7     there is a high level of risk involved. Actually, none of us is    8    (prepare) for the challenges of AI. In Pink_haze’s opinion, people all need to coexist    9     AI technology whether they like it or not. We have no choice but    10    (embrace) and regulate it.