A terrible fire began to burn at France’s world-famous Notre-Dame de Paris Cathedral (巴黎圣母院)    1    the evening of April 15. Flames could be seen rising through the top of the monument.     2    (it) tall, narrow top later fell down. It took 15 hours for 400 French firefighters     3    (put) out the fire.     4    (fortunate), the main stone structure, including the two bell towers, has been saved, but there is little information on the condition of the cathedral’s glass windows and paintings.

Notre-Dame     5    (date) back to the 12th century. French writer Victor Hugo used it as the setting of his famous story, The Hunchback of Notre-Dame,    6    was first published in 1831. Sitting in the center of Paris, along the Seine River, Notre-Dame is one of the world’s most famous tourist     7    (site). About 12 million people visit it each year.

One man said, “Notre-Dame     8    (destroy) but the soul of France was not.” French President Emmanuel Macron promised that Notre-Dame would be rebuilt and asked for worldwide help repairing it. Many countries offered assistance, because Notre-Dame is part of the     9     (culture) heritage of mankind and     10    symbol for Europe.

Cholera was a deadly disease of its day. Neither its cause nor its cure     1     (understand). So thousands of     2     (terrify) people died when there was an outbreak. John Snow wanted to solve     3     problem. He knew that cholera would not be controlled     4     its cause was found.

He became interested in two theories     5     possibly explained how cholera killed people. The first suggested that cholera     6     (multiply) in the air. The second suggested that people absorbed this disease     7     their bodies with their meals.

John Snow suspected that the second theory was correct but he needed evidence. So when another outbreak hit London in 1854, he was ready    8     (begin) his enquiry. With all the evidence he gathered, John Snow was able to announce with     9     (certain) that polluted water carried the virus.     10     (final) “King Cholera” was defeated.

A patent is an official document     1    (give) to an inventor by a government. This document     2    (general) gives inventors the right to stop anyone else from copying, using or selling the invention without their permission.

Inventions are the result of hard work. It may only take a moment of inspiration to think of a good idea but it takes a lot of research and experimentation to turn it into a(n)    3    (use)and working invention. So, inventors deserve a reward for the amount of time they spend     4    (develop)their ideas. They also need the     5    (secure) of knowing that if they share the invention with     6     rest of the world, nobody will steal it, use it or copy it without their permission.

Patents also benefit the society     7    return for patent protection. Inventors agree     8    (show) all the technical information about their invention. This information is available to everyone and has enough details     9     can be used by people with basic knowledge to produce the invention. In this way, patents help to spread new knowledge, which can in turn help people find     10     (solution) to different problems or to make further advances in science and technology.

【推荐3】Thanks to new rules, many students in Zhejiang and Heilongjiang provinces can now stay in bed longer than     1     .

On Feb 23, the Zhejiang Department of Education published a new guideline that     2     (allow) primary schools to start school later, reported Xinhua News Agency. According to the guideline, start     3     (time) could vary among different grades and seasons, with students in Grade 1 and 2 starting no     4     (early) than 8:30am.

    5     similar guideline was announced by the education department in Heilongjiang province on Feb 24. Now, senior high school students in the province are required     6     (get) to school at 7:30am at the earliest.

These changes are aimed     7     making sure students get adequate sleep and enough time for breakfast. Before the guideline     8     (publish), many primary school students in Zhejiang must arrive at school as early as 7 or 7:30am,     9    left many of them arriving     10     (feel) tired and hungry.

Today, I arrived back in San Francisco, and it feels good     1    ( be)back in the city again. The city succeeded in    2     ( rebuild)itself after the earthquake that    3     (occur) in 1906, and I stayed in the Mission District, enjoying some delicious noodles mixed with cultures.

In the afternoon, I headed to a local museum    4     showed the historical changes in California. During the gold rush, many Chinese arrived, and some opened up shops and restaurant s in Chinatown to earn a    5     (live). Many others worked on     6     ( farm), joined the gold rush, or went to build the railway that connected California to the east. The museum showed us     7    America was built by immigrants from    8    ( difference)countries and cultures.

In the evening, I went to Chinatown,and ate in a Cantonese restaurant that served food on    9    ( beauty)china plates. Tomorrow evening, I’m going to    10     jazz bar in the Richmond District.

The first time I entered the busy Chinese hotpot restaurant, I was immediately impressed by the delicious smells and lively chatter. The waiter handed me a menu, but it was mostly written in Chinese,     1     characters were completely beyond my comprehension. With some hesitation, I decided to take     2     leap of faith and pointed at a few items on the menu that looked     3     (invite).

As the bubbling pot was set     4     (boil), I watched with fascination as the waiter poured a fragrant broth( 肉 汤 ) into it.     5     (mix) with chili peppers, Sichuan peppercorns, and other mysterious spices, the pot released a mouthwatering aroma into the air.

The moment of truth came     6     I tried to dip my chopsticks into the broth and added a slice of thinly sliced beef and a handful of vegetables. The first bite was an     7     (explode) of flavors. The numbing sensation from the Sichuan peppercorns danced on my tongue, and I understood the reason for the restaurant’s name, “Spicy Heaven.”

I continued to experiment, trying various ingredients and     8       (surprise) at not only the food, but also   the   adventure,   the       9     (delight) feeling of a world of flavors in a single bubbling pot.     10     my limited knowledge of the Chinese language, I laughed with my newfound friends and shared stories.

Murphy     1     (lose) her parents in her early 20s. Two years ago, she was struggling with finding happiness in her career. During walks     2     the beach, she would talk to her parents in her head,     3     (seek) guidance about her career choices. “Since they weren’t with me physically, I would ask for little signs in the form of heart shaped rocks. When I would find one, I would feel     4     (connect)to something outside of myself.” These small treasures made her feel like she wasn’t alone.

Once, during a trip, Murphy was moved by the way tiny courtesies (礼貌) like a smile made her feel more comfortable in an     5     (familiar) country. She came back with the understanding that small acts of kindness could have a big impact.

One day, while walking on the beach, she suddenly came up with an idea of writing some encouraging    6     (message) on rocks. So, she did it. She soon learned her small action was already making ripples (涟漪). That night a friend texted her a picture of a rock and said, “Was this you?” She had suspected Murphy     7     she knew Murphy walked along that beach. Murphy     8     (touch) by the way her friend said finding that rock had made her day.

Murphy became hooked on the idea that she could spread happiness through something as simple as a rock with a message on it. She started leaving rocks in other places. With these rocks, she left a small sign encouraging others     9     (leave) a kindness rock somewhere else   “One rock, one person,” Murphy explains. “If a message hits a person at the right time, or they join, it’s like a huge connection. It’s    10     our world needs right now.”