In the USA the high school graduation ceremony is of great     1    (important). 12th-grade students, or seniors, who are about 17 or 18 years old, look forward to     2    (attend) this event.

The graduation ceremony itself takes place at the end of May or beginning of June,     3     usually includes music, awards, and a guest speaker. After the speeches, students walk to the front of the room to receive their diplomas from the headmaster. Students start preparing for graduation a long time     4     it happens. They order rings designed     5    (especial) for their class.

    6     tradition is to have their photographs taken. These photographs are used for the class yearbook, which is a     7    (print) book about all the students in the school. Students have special cards called announcements printed to send to friends and relatives to tell them about their graduation. The cards often include     8     invitation to the ceremony. If you receive it, you should send a present     9     money to the graduate. A few weeks before the ceremony, the students     10    (measure) for the cap that they will wear at the ceremony. After the ceremony, families usually have graduation parties for friends and relatives. It’s a day and a night that high school seniors remember for a long time.

Back in 1995, Jack Mark made his first trip to the US and used the Internet for the first time. After searching for “beer”, he saw that no results came up relating     1     China. When he then searched for “China” and still saw no results, he decided     2     (set) up a Chinese website – the seed for Alibaba had been sown.

Ma     3     (simple) wanted his company to have a     4    (globe) and interesting name, and realized Alibaba is a story     5     (know) across the world. AS an added bonus, Ma said because it begins with A, it also appears top of lists.

The company     6    (found) in 1999 and since then has grown from 15 employees to over 30,000. Alibaba has directly and indirectly created 40 million     7     (job) for China. It floated on New York Stock Market in September 2014 for $ 25 billion, the largest IPO on earth.

Ma hopes to keep expanding Alibaba outside of China and is aiming for 2 billion consumers and 10 million small businesses to use     8     company outside of China.

Ma became the richest man in China,     9     the company he founded floated on the stock market in 2014 with a value of around $ 140 billion –the     10     (large) public offering in history.

Once upon a time，there was a man from the State of Chu who loved his sword very much. One day，he was sitting in a boat preparing to cross a river     1     he accidentally dropped his sword into the water. With the ship moving fast on and the water running，the people on board reminded that he should go into the water     2    ( find) his     beloved sword back. The man felt in great anxiety too. However，he     3    (turn) a deaf ear to that and instead，he     4    (immediate) took out a knife and made a notch(刻痕) on the side of the boat     5     his dear sword fell. The people wondered why he did     6    . He said proudly the notch could help to get his sword back. Shortly after the ship’s     7    (arrive) at the shore，he entered the water just beneath the notch he made. Though having spent rather     8     long time， he returned empty-handed. Without doubt，he was laughed at in public and his story became   a well-known joke in China.

Today the idiom     9    (relate) to the story is used to describe a person who sticks to rigid rules without considering a changing environment     10     describe an action made pointless by changing circumstances.

You may think you cannot live through summer without air conditioners. But in ancient China, hand fans were almost the only help for people       1     (drive) the heat away.

Chinese people started to use hand fans over 2,000 years ago. The fans came       2     different shapes, such as round and square and they were made from various materials. Palm leaf fans were cheap and easy to make. Feather fans showed the owner’s high status. Sandalwood fans     3     (send) out a fragrant smell.

    4     (late), hand fans became more than something     5     could cool you down. They developed into art works, in which tuanshan and zheshan were the most common.

Shaped like     6     full moon, tuanshan was usually made of silk. They had beautiful embroidery(刺绣) featuring birds and flowers on them. Females, especially     7    (woman) in the royal palace,liked to use them. Poets in ancient China often compared a woman’s abandoned fate to tuanshan. A poet wrote during the Qing Dynasty, “If only life were as     8     (beauty) as when we first met, why should the autumn wind bother to pity deserted painted fans?”

Meanwhile, men, especially the literati (文人), used zheshan. The literati liked them because they could paint and write poems on them.     9     was a way for them to show off their talent in literature, painting and calligraphy. Almost anything could     10       (paint) on zheshan, but the most popular ones usually featured landscapes.

The center of American automobile innovation     1    (move) 2,000 miles away in the past decade. It has migrated from Detroit to Silicon Valley,     2     self-driving vehicles are coming into life.

In a bid to take production back to Detroit, Michigan lawmakers have introduced legislation   that could make their state     3    (good) place in the country, if not the world, to develop self-driving vehicles and put them on the road.

“Michigan’s role in auto research and development is under attack from several states and countries which desire to take     4     place of our leadership in transportation. We can’t let happen,” says Senator Mike Kowall, the lead sponsor of four bills     5    (recent) introduced.

If all four bills pass as     6    (write), they would represent an important update of Michigan’s 2013 law that allowed the testing of self-driving vehicles in limited conditions. Manufacturer would have nearly total freedom     7    (test) their self-driving technology on public roads. They would     8    (allow) to send groups of self-driving cars on cross-state road trips, and even set on-demand rows of self-driving cars, like the one General Motors and Lyft are building.

Lawmakers in Michigan clearly want to make the state ready for the commercial use of self-driving technology.     9    contrast, California, home of Silicon Valley, proposed far more restrictive rules that would require human drivers be ready for the commercial     10    (apply) of self-driving technology.

Chang’e-5 Mission Successfully Returns Moon samples to Earth

After weeks of space travel, China’s Chang’e-5 probe(探测) came to Earth     1     fresh lunar rock and soil samples on the morning of Dec.17,2020, the returner capsule of     2     landed at the designated landing site in Siziwang Banner in north China’s Inner Mongolia Autonomous Region.

Zhang Kejian, head of     3     China National Space Agency(CNSA), declared Chang’e-5 mission a success,     4     (mark) the conclusion of China’s lunar exploration.

At a     5     (high) about 10 km above ground, a parachute (降落伞) opened, and the returner landed     6     (smooth).

An air team who were in helicopters     7     (spot ) the capsule using infrared(红外线的) cameras, while a ground team followed in SUVs to reach the landing site     8     (cover) with snow.

    9     the scientists did on Chang’e-5 paid off at last, which inspires more and more Chinese people     10     (devote) themselves to further space research.