2 . Malaysia Airlines(马航) flight MH370 disappeared from radar(雷达) screens an hour after it   _________ on March 8 . It has _________ for more than 2 years.

The plane may fall into the sea. China, Malaysia and many other countries have joined to search for the _________ on the sea. The relatives of the 227 passengers and 12 crew(机组人员) are _________ good news from them.

How did the accident   _________? It is said that the plane was attacked by the terrorists. Some think there may be something wrong with the plane, and_________think the accident may be _________ by the mistake of the crew. However, it is _________ to tell the reason because the plane hasn’t been found yet.

It may _________ some time to find the missing plane and even more time to get to get to know the truth of what happened. However, we can’t stop __________ what happened to the plane __________ it is found.

Whether the missing plane is found __________ not, the whole world should __________ more attention to the safety of people, especially at airports.

We hope these people on the plane will be __________ , and they can get together with __________ family members.

4 . To become the Olympic champion in the individual (个人) all-around event, Gabby Douglas had to leave everything she _________ best. She had to _______   her bedroom in Virginia. She had to say _________ to her two dogs and to the beach, where she loved to _________ waves on her board. But it was _________ to take the leap (飞跃), however _________ it would be. Even at 14, Douglas knew that. So she _________ about 1,200 miles away from home, to _________ with a coach from China. She lived with a family she had never _________ and everything was new to her.

As it turned out, Douglas did __________ what she needed to do to become Olympic champion when she __________two Russians. The Chinese coach __________ Douglas into one of the best gymnasts in the __________, helping her skyrocket from an __________ member of the national team to the top of the sport. By __________ the Olympic all-around title, she became the first black woman to do so. She __________ the competition from beginning to end. She said she had felt __________ all along that she would win.

Not so long ago, Martha Karolyl the coordinator (联络人) of the women’s national team, did not think Douglas had what it __________ to be an Olympian. As time went by, she thought __________ that she could make the London Games — and win.

“I’m going to inspire so many people,” she said. “I’m ready to __________.” And shine she did.

5 . When Mexican artist Frida Kahlo’s paintings were put on display in a gallery in London, it attracted much attention. A poet and essayist described her paintings as “a ribbon around a bomb”-a quote that went on to provide the title for a documentary about her life. Such a/an _________ comment about her work seems to _________ Kahlo had a big impact on the art world of her time. Sadly, this was not the _________.

Kahlo, born in 1907 in a suburb of Mexico City, was greatly affected by two terrible events early in her life. At the age of 7, she _________ polio. The disease _________ her foot so that it always pointed out, and caused her right leg to grow to a shorter length than her left leg._________, Kahlo’s spine and pelvis became twisted as she grew older. Then in 1925, she was riding in a school bus that was _________ in a traffic accident; her pelvis and back were broken in several places. Throughout the rest of her life, the artist underwent more than 30 _________, but nothing was able to cure the severe _________ in her back and leg. However, the accident did have an __________ side effect: it led Kahlo to begin painting. While lying in her bed recovering in her parents’ home, Kahlo taught herself to paint and created her first self-portrait.

Despite the tragic events in her life, Kahlo had a __________ for inspiring excitement, happiness, and drama wherever she went. She often wore elaborate native jewelry and bright clothing, making her a highly __________ student at school. She also __________ wore her hair tied up on top of her head with bright ribbons in the style of the native people of Oaxaca, Mexico. Her preferred fashion and hairstyle are __________ in the various self-portraits she painted.

Kahlo died in 1954 in her parents’ home. The final words in Kahlo’s diary were, “I hope the __________ is joyful-and I hope never to come back.”

7 . Maryland’s stay-at-home COVID-19 order has been hard for Ann and Tom Schruben, self-employed workers who live in Kensington. Ann noticed that her husband got ________ easily. He is generally a ________ man and likes to tell jokes.

When Ann ________ a friend in Ohio was posting a daily joke in front of her house, she told Tom he should do the ________ thing. Tom refused. Then, one morning two weeks ago, he picked up a ________ and wrote at the top“BAD DAD JOKES.” He then wrote:

“Hold on — I have something in my shoe! I’m pretty sure it’s a foot.”

He ________the whiteboard in front of his house and waited to ________ if anyone reacted. Nothing. A few hours later, he heard a ________ from outside.

“Once he got his first laugh, it was so ________ to him,” said Ann.

The next day he woke up earlier and wrote his second ________: “Without geometry （几何学），life is pointless.”

________, he heard people laughing as they walked by his home. Many called out to Tom and told him they ________ the jokes.

Tom felt ________. Each morning since, he’s ________ a new joke.

“It made my mood （情绪）better,” Tom said. “I don’t know why. I guess I feel like I’m contributing （增加）a little bit to other people’s________.”

Tom also likes the habit of putting up the joke. “It gives me a reason to ________ in the morning early, ” he said. “It gives me a little ________.”

Mana McNeill, 65, saw a joke as she walked through the neighborhood. “I ________ and read the joke. It was great ________. I had a laugh,” McNeill said.

“Everyone is worried during this special time,” Tom said. “It would be a good idea to take people’s mind off their________ for just a minute.”

9 . A year after high school, I didn't know what to do. I was still one of those_______teenagers with no real timetable for the day. Then I _______to find Brief History of Time from a street vendor (小贩；摊贩). When I finished _______, for the first time I had a _______to spend my life on.

Years later, I was doing_______ in the Institute of Theoretical Physics where Stephen Hawking _______as the Research Director. One day at lunchtime, Prof. Hawking_______ and joined in on my table. I had imagined_______ him! Now he was sitting _______before me! I couldn’t help but________— reading his book, getting laughed at by friends, convincing my family that I wanted to “study black holes”... I gathered some________and told him that I joined physics because of his ________ and he was such an inspiration. At first, I wasn’t sure if he understood my thick accent. So I quietly continued my ________. But minutes later________a voice from his computer: “Thank You! I am very glad to see you here.”

It was only then that I________that during the pause he was writing, one letter at a time, while being spoon-fed. It’s how he had been doing unimaginable research almost his entire________. His ability to use his brain in such an incredible way despite a ________body has always inspired me not to be________by difficulties and to concentrate energy on things other than pains of life.

My work keeps me going: it’s my passion, it’s my life and it’s a great pleasure and motivation, which________me to contribute to society. My lifespan (寿命) might be________, but my achievements could be endless. I owe all this to him.