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。

Earth Day     1     (found) in 1970 as a day of education about environmental problems, and Earth Day 2020 occurs on Wednesday, April 22 — the holiday's 50th anniversary. The holiday is now a global     2     (celebrate) that's sometimes extended into Earth Week, a full seven days of     3     (event) focused on green living.

    4     (elect) to the U.S. Senate (参议院) in 1962, Senator Gaylord Nelson was determined to convince the federal government that the planet was     5     risk. In 1969, Nelson developed the idea for Earth Day after     6     (inspire) by the anti-Vietnam War "teach-ins" that were taking place on college campuses around the United States.

Denis Hayes, a young activist     7     had served as student president at Stanford University, was selected as Earth Day’s national coordinator (协调者), and he worked with     8     army of student volunteers and several staff members from Nelson's Senate office     9     (organize) the project.

The first Earth Day was effective at raising awareness about environmental problems and transforming public attitudes. Earth Day kicked off the "Environmental decade with a bang," as Senator Nelson later put it. The theme of Earth Day 2020 is "climate action." Earth Day. org hopes it will be the     10     (large) volunteer event in history.

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。）

A reporter from Jiangsu Province went to Australia and some other countries with his father for a 3-month trip,     1     turned out to be a miracle (奇迹).

The reporter’s father spent most of his life    2     (work) on the farm. The son started these    3     (amaze) trips with his father because the father got cancer-----a serious    4     (ill). The reporter wanted    5     (take) his father to travel in the hope that his father can find his younger self in his last days. They    6     (travel) more than 13,000 kilometers and took over 110,000    7     (picture) on their trips to different countries. Well, a miracle happened during the “rebirth” trips.     8     their surprise, his father got    9     (good) and became more open-hearted.

He even taught himself to play    10     violin, and then he played it very well after practice. After that miracle trip, now he is expecting another trip to Africa. He is the most stylish dad ever. Time carves (雕刻) the old father’s face but youth flows in his blood. This is the real style.

7 . 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。

Amazon is publishing a new and improved version of its Kindle. It’s much     1     (thin) and lighter than the former one, and has a rounded design that makes it easier for one     2     (hold) it with one hand. But what’s most interesting is its characters for     3    blind.

The previous fourth-generation Kindle Touch, which     4     (come) out in 2011, has speakers, headphone jacks, and text-to-speech functions. It is the last Kindle     5    is accessible to those who have trouble seeing text. When Amazon updated its LCD-screen Fire tablets, the company removed the audio(音频的) character from the Kindle e- reader line, thus     6     (make) it inaccessible to blind users.

The new Kindle will come with Bluetooth wireless technology. Much like Amazon’s voice-controlled Echo, the new Kindle reads e-books aloud when     7     (connect) to bluetooth headphones or speakers. How easy it will be for blind people to pair the Kindle with a bluetooth audio device will     8     (true) determine its accessibility. According to Amazon, the new Kindle may have no     9     (difficult) in pairing with bluetooth, as long as the host device has good text-to-speech technology, such as a built-in screen reader.

While Amazon isn’t the only e-book seller choice     10    blind people, it has a majority share of the US e-book market, according to The Journal.

8 . 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正确形式。

It's common     1     (see) food delivery workers on electric bikes through crowded cities in China. Most of them are in     2     hurry. However, such bad behaviors often cause serious problems.

One deliveryman surnamed Li     3     (interview) the other day. He's been only doing this job for 2 weeks but has already ridden in wrong lanes a few times just to be punctual. In the     4     (one) half of last year, food deliverymen had 76 traffic accidents in Shanghai alone,     5     means on average, a food deliveryman got hurt or died every 2. 5 days.

The phenomenon is     6     (close) related to the growing demand for delivery services, reported People's Daily.   About 10% of Chinese are turning to food delivery services, according to China Radio International. Such a huge market     7     (lead) to booming delivery growth by now, with companies offering high salaries to attract new staff.

However, food deliverymen are often under high pressure, faced with fines of ¥20 for being late and up to ¥200 for receiving complaints. Also, the more orders, the higher earnings. Thus,     8     (safety) pops up as a big concern.

Solution? Yes. Shanghai has laid stress on traffic rules. Now in Shenzhen, if caught     9     (break) traffic rules twice, the deliveryman is banned     10     driving vehicles for a whole year!

9 . 阅读下面材料，在空白处填入1个适当的单词或括号内单词的正确形式。

Lots of cats love having cat companions, but if     1     (you) doesn’t, it might act out by showing fear or aggression.

This doesn’t     2     (necessary) mean you have to give one up! “Cats show great    3     (flexible) in their social behavior,” says Kristyn Vitale, a researcher at the Human-Animal Interaction Lab at Oregon State University, US. She suggests separating the cats into different areas of the house and slowly     4    (reintroduce) them to one another using a method called “Scent, Sight, Touch”:     5    (take) a toy or blanket from each cat and swap (交换) them.

Give each cat the other cat’s scent item along with lots of praise and rewards so they associate.     6     smell with good things. After doing this a few times, set up a space     7     the cats will be able to see one another through a physical barrier(障碍),     8     a screen door or gate. Then feed them, so they start to associate positive feelings (food) with the sight of the other cat. After a few     9     (success) feeding sessions, you can try to introduce the cats without a barrier – distract each cat with toys during their first meeting in the same room, so they have less time     10     (worry).

“If owners go slow and give lots of rewards, many cats can learn to accept a companion cat,” Vitale says.

10 . 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。

Nanjing Massacre survivor dies at 92

Li Rufu, a 92-year-old Nanjing Massacre     1     (survive), died in Nanjing on Friday,     2     (reduce) the number of     3     (official) registered survivors to 69, according to the Memorial Hall of the Victims of the Nanjing Massacre by Japanese Invaders. Li once testified that Japanese soldiers     4     (shoot) the leg of one of his elder brothers when the brother was milling rice. One of his uncles,     5     ran into patrolling Japanese soldiers, was shot when used     6     a target to test their shooting skills. The uncle lay in bed for about four days     7     he died. Li was the third massacre survivor     8     (die) this year. The Nanjing Massacre happened in

December 1937 when Japanese troops captured Nanjing on Dec 13 that year and later killed more than 300,000 Chinese civilians and     9     (arm) soldiers over     10     six-week period.