综合写作：
Since traffic is such a big problem for many cities, some cities have begun to experiment with congestion pricing, a plan in which drivers pay a fee to enter busy parts of the city during certain times of day. Transportation experts and city officials believe that congestion pricing will bring important benefits to cities.
First, congestion pricing greatly improves travel time within cities. Cities like London, Singapore, and Stockholm have implemented congestion pricing, and they have experienced a reduction in traffic of 20 percent or more on the roads where pricing fees are in effect. Because of this reduction in traffic, the average speed of vehicles on roads has increased significantly, and drivers are able to get to their destinations faster.
Second, congestion pricing has had a positive impact on the environment in cities where it has been implemented. As a result of having fewer cars inside the congestion pricing zone, the level of pollution in the zones has decreased. This makes neighborhoods inside the zones much more desirable for residents and visitors; the air is cleaner, and there is less noise. Tourists have come in increasingly greater numbers to parts of cities that have implemented congestion pricing, and more people want to live in those areas as well.
Finally, fees collected through congestion pricing will bring in considerable revenue for the city. The money can be spent on any number of important projects in the city. For example, the city can use the money to build new roads or bridges and to repair old ones. Increased investments into the city’s infrastructure will further improve the conditions for car and truck transportation, benefiting both commuters and those who make deliveries.
学术写作：
Your professor is teaching a class on Children Development. Write a post responding to the professor’s question.
In your response, you should do the following:
- Express and support your opinion.
- Make a contribution to the discussion in your own words.
An effective response will contain at least 100 words.
Dr. Achebe
As of this semester, I have embarked on a study to explore the various factors influencing children’s cognition. It’s becoming increasingly evident that a child’s surroundings can significantly impact their development. In light of this, the question arises: should parents allow their children to watch online videos, whether for entertainment or educational purposes? Please share your insights on this matter, considering the potential effects on a child’s cognitive growth.
Paul
We should not allow young children, especially those under two years old, to watch videos. It’s crucial for their development to engage in real – life communication with others during this critical period. Watching videos doesn’t provide the opportunity for meaningful interaction. Even for older children, it’s essential to prioritize physical activity over extended screen time. Instead of sitting still in front of screens, they should be encouraged to stay active to support their overall well – being.
Kelly
I agree that very young children shouldn’t be exposed to videos. However, I believe that older children can benefit from watching certain videos, especially those that showcase animals or provide unique insights not easily encountered in everyday life. These videos can be educational and expand their horizons by offering a window into experiences they might not otherwise have access to.
