It is interesting to visit another country, but there are some problems when we don't know the1very well. It may be difficult to talk with the people there. We may not know how to use the telephone in the country we are visiting. We may not know how to buy the things we need. In a2country we might not know where to eat or what to order in a3. It is not easy to decide how4to tip waiters or taxi drivers. When we need help, we might not know how to ask for help. It is not pleasant to have an experience5that. After a short time, however, we learn what to do and what to6, We learn to enjoy life in another country, and then we may be sorry to leave.

    Started in 1636, Harvard University is the oldest of all the colleges and universities in the United States. {#blank#}1{#/blank#}

    In the early years, these schools were much alike. Only young men went to college. {#blank#}2{#/blank#} Little was known about science then, and one kind of school could teach everything that was known about the world. When the students graduated, most of them became ministers or teachers.

    In 1782, Harvard started a medical school for young men who wanted to become doctors. Later, lawyers could receive their training in Harvard's law school. {#blank#}3{#/blank#} Soon it began teaching American history.

    As knowledge increased, Harvard and other colleges began to teach many new subjects. {#blank#}4{#/blank#}

    Today, there are many different kinds of colleges and universities. {#blank#}5{#/blank#} There's so much to learn that one kind of school can't offer it all.

A. In 1825. besides Latin and Greek, Harvard began teaching modern languages, such as French and German.

B. Most of them are made up of smaller schools

C. Yale, Princeton and Columbia were opened soon after Harvard

D Students were allowed to choose the subjects that interested them

E. All the students studied the same subjects, and everyone learned Latin, Greek and Hebrew

Singapore is a city of different cultures. Walking through the streets of Singapore, you can{#blank#}1{#/blank#} (听到)different languages spoken, such as English, Chinese and Malay. People from different cultures live and work peacefully with each other and share their traditions.

In Singapore, cultural differences are shown in building styles, shops and in many other ways. Take food as an {#blank#}2{#/blank#} (例子), each culture has its own place to sell their traditional food, but there are also the {#blank#}3{#/blank#} (著名的) hawker markets. Different foods are sold in these {#blank#}4{#/blank#} (繁忙的) markets.

And these are very {#blank#}5{#/blank#} (受欢迎的) with Singapore citizens and {#blank#}6{#/blank#} (游客) from around the world. The food is good and very{#blank#}7{#/blank#} (便宜的).

Singapore is also an interesting city. Large numbers of people, ideas, etc, are mixed together {#blank#}8{#/blank#} (在……下面)the same sky. English is used for business, {#blank#}9{#/blank#} (虽然)the official language here is Malay. Now, however, there is a strong Chinese business community and also a growing Indian business community. Singapore welcomes talented people from around the world and {#blank#}10{#/blank#} (希望)they will live there all their lives.

TikTok (抖音) is a video-sharing app that has taken the world by storm. You'll see dancing, jokes and amazing shows. Many people have found great joy in using the app. They feel relaxed when they watch the videos on TikTok after a day's hard work. However, others think it is not a good idea to use it. Some people, especially the young, have been addicted to (沉迷于) the app. They spend too much time on it. This makes them spend less time on their study or work. What's more, it is bad for their health as well. To solve this problem, TikTok has made lots of changes which are designed to protect its teenage users.

"Users aged 13—15 will not get push notifications (推送) from 21: 00, and for 16 to 17-year-olds, from 22:00. This will help them have more time on work, study, relaxation and sleep," the video-sharing app says. TikTok also made some changes that 16 to 17-year-old users will only receive messages which are good for them. "We want our users, especially younger users to develop good habits when using the Internet earlier," TikTok said.

Another change made earlier from TikTok was stricter. It was said that messages could be sent to users over 16s only. As for users aged 16 —17, if they want to send a message to others, they will need to change to a different sharing option (选择), which protects them from bad information. Besides that, before they share their first TikTok, users under 16 will be asked to choose with whom they want to share their videos.

The head of online child safety at the National Society for the the Prevention of Cruelty to Children, Andy Burrows, welcomed the new changes, saying the changes from TikTok would protect teenagers. "I think this will reduce opportunities for offenders (犯罪者) to trick children." Andy said.

The traditional Chinese lunar calendar divides the year into 24 solar terms. Grain Rain（谷雨）, at the last term in spring, generally starts on April 20th and ends on May 4th.

Grain Rain comes from an old saying, "Rain brings up the growth of hundreds of grain", which shows that this period of rainfall is very important for the growth of crops. Here's something that you may not know about the Grain Rain.

Seasonal characteristics

When the Grain Rain ends, the summer starts And the temperature rises much higher than it does in March, With dry soil and heavy winds, sandstorms may happen more often.

Customs in southern China

There is an old custom in southern China that people drink tea on the day of Grain Rain. Spring tea during Grain Rain is good for the eyes.

Traditions in northern China

People in northern China have the tradition to cat the vegetable toona sinensis（香椿） during Grain Rain. An old Chinese saying goes "toona sinensis before the rain is just like silk". The vegetable is good for the stomach and skin.

Grain Rain Festival

The Grain Rain Festival is celebrated by fishing villagers in northern China. Grain Rain marks the start of the fisherman's first voyage（航行） of the year. The custom dates back to（追溯到） more than 2000 years ago.

Hundreds of years ago, life was much harder than it is today. People didn't have modern machines. There was no modern medicine, either.

Life today has brought new problems. One of the biggest is pollution. Water pollution has made our rivers and lakes dirty. It kills our fish and pollutes our drinking water. Noise pollution makes us talk louder and become angry more easily. Air pollution is the most serious kind of pollution. It is bad to all living things in the world.

Cars, planes and factories all pollute our air every day. Sometimes the polluted air is so thick (厚的) that it is like a quilt over a city. This kind of quilt is called smog(烟雾).

Many countries are making rules to fight pollution. Factories must now clean their water before it is thrown away(倾倒) and they mustn't blow dirty smoke into the air.

We need to do many other things. We can put waste things in the dustbin and not throw them on the ground. We can go to work by bus or with our friends in the same car. If there are fewer people driving, there will be less pollution.

Rules are not enough. Every person must help to fight pollution.

根据语篇内容，从每小题所给的A、B、C三个选项中选择最佳答案。