Amsterdam has become very popular with cyclists because of the convenience for bicycles. In the 1960s, a group of cycling fans came up with an idea     1    (make) Amsterdam the city of bikes. People had hundreds of bicycles     2    (paint) white and anyone was allowed to take them. They were hopeful that this would save energy, reduce pollution and provide free public transport. However, thieves stole them all. In 1999, the “white bikes” returned with a computer     3    (track) system to record their every move. It worked this time. Nowadays people can enjoy clean air and easy transport in central Amsterdam and bike-sharing is gaining favors across the globe. In China, many people are devoting     4    (them) to solving problems so that people can enjoy the benefits of shared-bikes.

ChatGPT is high-tech progress, not a revolution

ChatGPT is a powerful chatbot developed by OpenAI and launched in November 2022.     1     (build) on top of OpenAI’s GPT-3 family of large language models, it engages in human-like dialogue egged by prompting. It     2     (design) to respond in a natural, intuitive way and has numerous potential uses.

From a scientific point of view, there is a need to closely watch the development of such     3    (technology) before reaching a conclusion about their efficacy and helpful nature. Technology progresses step by step. So we should not panic thinking ChatGPT will take up jobs     4     till now need humans to fulfill.

ChatGPT is an example of high-tech progress, not a revolution.

First, ChatGTP     5     (make) quite some progress in natural language processing, yet it still has a long way to go to completely understand the human mind and language faculty, because when it comes to professional writing, ChatGPT at times writes plausible-sounding but     6     (correct) or nonsensical answers. It might give some good answers to most of the general questions,     7     it is no substitute for professional advice, such as medical prognosis and prescriptions, or legal advice.

Second, ChatGPT is still a product     8     very limited application. It has the potential to be used for enhancing search engine functionality but, as a pre-trained language model, it will have limited use.

Due to these limitations, investors should not     9    (blind) invest huge amounts to further develop ChatGPT and should not expect quick returns on investment. Yet as a     10    (promise) AI development, ChatGPT is likely to advance in the medium, if not the short term.

A Detroit businessman has created the world’s first mobile bowling alley by changing a semi- trailer(半挂车)truck into     1     entertainment centre on wheels.

    2     (inspire) by giant companies such as Amazon, Uber and Grub hub, which rely heavily       3     convenience for their business success, and enjoy great     4     (popular) across the world, Terence Jackson Jr. decided to bring bowling to the masses. The businessman has been working on changing a 53-foot, semi-trailer truck into a mobile bowling alley for years, but due to     5     (have) to overcome several obstacles, the facility was only published in 2020.

“The mobile bowling alley's design took years     6     (complete), a process which was farther slowed by the unavailability of building materials. However, we     7     (eventual) got it done. " the businessman said.

Luxury Strike Bowling     8     (consist) of two bowling lanes, a scoring system, temperature control, lighting, an 80-inch theatre screen and a sky lounge (休息室).Because of size limitations, the two lanes are shorter than those of traditional bowling alleys, and the bowling balls are smaller and slightly     9     (light) than regular ones.

With rentals starting at $500 for two hours, the business is so successful. The businessman is already working on a second mobile alley,     10     he hopes to make available next year.

Today, lifts are an important part of our daily lives. Few people in modern cities could imagine     1     (live) without the convenience of them—especially if they live on the 30th floor! Over thirty years ago, some people put forward a fantastic idea     2     (base) on the modern lift. They wanted to build a lift     3     would allow people to go a lot     4     (high) than they had ever been—to space!

Nowadays, people use rockets and spaceships     5     (explore) space. However, they have two disadvantages: they are quite dangerous, and they are very expensive.     6     costs 22,000 US dollars to transport a kilogram of anything upwards into space.     7    , scientists are looking for cheaper and safer ways to travel into space. This is why the crazy idea of a space lift might one day become a     8     (really). Compared to rockets and spaceships, the design of a space lift is simple. The Earth and space would be connected with something like a train running from a station on the Earth to a station     9     (float) in space. Could such     10     extraordinary idea really work?