2 . Rain Collection
What do you like to do on a rainy day —sit inside and listen to the pitter-patter on the roof or splash outside and feel the cold drops on your face? Whatever you choose, rain is vitally essential in the nature.
As climate change heats up the planet and causes extreme weather, more places face water shortages.
Humans have collected rain since ancient times.
Even in dry climates, there is a lot of potential rainwater that can be effectively harvested and utilized. This rich yet often overlooked resource has the potential to significantly contribute to water conservation efforts, especially in regions facing water shortages. Just one inch of rain falling on a medium-sized house produces over 600 gallons of water.
Nowadays, rainwater is still used as a primary supply in many places in the world, like Vietnam and Hawaii. In places with piped-in water, rainwater is not commonly used, but this is changing. Rainwater harvesting is getting more popular since it’s easy to do and helps create water security.
A.Large roofs can, hence, collect greater amount of water. |
B.Rainwater can also be used for fountains and ponds. |
C.We all deeply depend on the nourishment of rain. |
D.To secure future water supply, we need new sources. |
E.Now, many people are returning to this practice. |
F.Rainwater is clean but it gets dirty from the roof. |
3 .
With its bright colors, easy-to-learn rules and familiar music, the video game Tetris has endured as a pop culture symbol over the past 40 years. Many people, like me, have been playing the game for decades, and it has been updated to adapt to new technologies like game systems, phones and tablets.
However, Tetris is much more than winning. The game, in which players must control blocks of different shapes as they slide down a screen, is based on a fundamental element of geometry, called dynamic spatial reasoning (动态空间推理). It is taught by mathematics educators and used by architects, engineers, animators, and many others. Players employ these geometric skills to progress in Tetris, so playing it both tests and improves a player’s dynamic spatial reasoning.
Spatial reasoning is the ability to visualize geometric figures and how they will move in space. So, dynamic spatial reasoning is the ability to visualize actively moving figures. The Tetris player must quickly decide where the falling game piece will best fit and then move it there. This movement involves both translation — moving a shape right and left, and rotation — turning its shape by 90 degrees at a time.
Spatial visualization is a key element of a mathematics discipline called transformation al geometry, which is usually first taught in middle school. In a typical transformational geometry exercise, students might be asked to represent a figure by its x and y coordinates (坐标) on a coordinate graph and then identify the transformations, such as translation and rotations, necessary to move it from one position to another while keeping the piece the same shape and size.
While it may seem simple, transformation al geometry is the foundation for several advanced topics in mathematics. Architects and engineers both use transformations to draw up blueprints, which represent the real world in scale drawings. Animators use concepts of transformations as well. While animators today use computer programs that automatically move figures around, they are all based on this kind of transformation.
1. Which is NOT a key reason for Tetris’s lasting popularity?A.Its pleasure of winning the game. | B.Its bright colors and catchy music. |
C.Its link to complex math and geometry. | D.Its simple rules and tech adaptability. |
A.Logical reasoning. | B.Mathematical calculation. |
C.Memory maintaining. | D.Spatial visualization. |
![](https://img.xkw.com/dksih/QBM/editorImg/2024/4/29/f210ba07-c601-4563-9f37-663708ebeb88.png?resizew=114)
A.(a) ![]() | B.(b) ![]() | C.(c) ![]() | D.(d) ![]() |
A.Tetris is a particularly useful tool for animation and architecture designs. |
B.Spatial visualization is based on the constant change of a figure’s position. |
C.Transformation algeometry behind Tetris can be applied to various fields. |
D.Spatial reasoning is too difficult for middle school students to master. |
4 . Among my oldest friends, I’m known as the mysterious one, the guy who rarely shows up, is always there not here. I had high school buddies, and I loved them all dearly though we boys didn’t say such things back then. Then life happened. Most of us left our hometown. Meet-ups become rare occasions.
One of those old friends, whom I had not seen since our high school graduation, reached out recently to say he’d be near where I am, and hoped we could meet up. He’d done the same thing about 10 years ago, and I’d begged off for some stupid reason related to my shyness, or rather, my introverted nature. I’m older and a bit wiser now, and I’ve been packing around some guilt over that missed opportunity for 10 years, so I agreed readily.
We met for dinner, perhaps two hours, and rarely had I felt at ease with other humans as I did with him. We talked and talked. About who we were then. Who we are now. And what made us the jerks (混蛋) we were then. We acknowledged that if not for each other, and the circles of good people we ran with back then, the good friends who kept us reasonably on track and in check, life could have easily gone south for either of us. Each of us recalled things the other had no memory of. Fragments of memories, scattered yet precious. We know we were tight then, and we value that friendship and shared experience still today.
People are fundamentally social beings and enjoy connecting with others. Maintaining social connections is good for our mental and physical health. However, despite the importance and enjoyment of social connection, people significantly underestimate how much others will appreciate being reached out to.
There’s something about the friends you make in youth that’s near impossible to recreate with friends you make later in life. I’m telling you this to remind you that your old friends would love to hear from you, maybe a simple text, a little hello, maybe even a phone call or a meetup.
1. The author refused the meet-up about 10 years ago probably because ______.A.he was not a sociable man. | B.he was not clever enough. |
C.he lived far away from his friends. | D.he felt guilty about his friends. |
A.Anxious and nervous. | B.Excited and energetic. |
C.Comfortable and relaxed. | D.Sad and regretful. |
A.They could have easily been off the track in life. |
B.They might have settled down in the southern region. |
C.Their friendship could have easily turned sour. |
D.They could have faced financial difficulties. |
A.To describe the author’s re union with an old friend. |
B.To reflect on the value of friendships formed in youth. |
C.To encourage readers to reach out to their old friends. |
D.To discuss the importance of social connections. |
A. flooded B. leaps C. increasingly D. combines E. reflects F. emphasizing G. pioneering H. crafted I. technical J. unexpectedly K. classic |
Chinese animations (动画) are booming
The “Black Cat Delective”, released 40 years ago, was a childhood favorite for many Chinese. Since then, Chinese cartoons have come a long way. While “Black Cat Detective” was simply drawn, current cartoons feature
These recent
In the 1960s, China’s animation industry saw a big downturn as American and Japanese films
Light Chaser Animation, a Beijing-based studio, has contributed to the popularity of cartoons in China. Its production “30,000 Miles from Chang’ an”
Are You Ready to Hug a Robot?
Getting hugged tends to be a powerful positive emotional experience. Hugs have been shown to enhance social bonding and emotional well-being. However, not everyone can get a hug
How can this problem be solved?
A new study, which
The findings of the study indicate that it is possible to design a robot that people enjoy to hug. Details matter here, as the intra-hug gestures played a significant role in determining how much the human volunteers enjoyed the hug.
7 . WORLD 2024
Run Like Olympians WHERE Paris, France WHEN AUGUST |
For the first time, members of the public will be able to run their own marathon during the 2024 Summer Olympics, just one initiative aimed at creating a more inclusive Games. Held in the evening between the men’s and women’s official races, the Marathon Games will allow 20,024 qualifying lottery (彩票) winners on the 26-mile route that links Paris and Versailles.
Hear It Live WHERE Kyoto, Japan WHEN YEAR-ROUND |
Guidebooks peak of Kyoto as frozen in time, with quiet temples and peaceful gardens. But after hours, Japan’s ancient capital reveals a live music scene. Rock, swing, and even Irish music echo into the night. Whatever you’re into, from jazz to punk, there’s a community for you to share. “This is what happens in Japan when the mask comes off,” says Kyoto guide Van Milton.
Ski New Peaks WHERE Georgia WHEN DEC-APR |
Long as a means of transport action, hunting and exploration, skiing is still a way of life in the mountainous republic of Georgia. Now visitors can enjoy some of the nation's best back-country skiing in the Caucasus. In Svaneti, journeys may lead skiers through Gvibari Pass or to Ushguli village.
Explore Ancient Art WHERE Algeria WHEN OCT-NOV |
Algeria is home to Africa’s largest national park, which holds one of the world's greatest concentrations of ancient rock art. Tassilin’ Ajjer National Park is a geologic wonderland, but these rock forests are only half the story. Neolithic (新石器时代的) hunter-gatherers left 15,000 rock carvings here, including images of elephants and giraffes. These animals are more commonly associated with sub-Saharan Africa — a hint that this deserted wilderness was once a fertile grassland.
1. As a student who is fond of sports, where is Jane most likely to visit during the summer vacation?A.Georgia | B.Kyoto | C.Algeria | D.Paris |
A.Everyone can enter for the Marathon Games in the summer of 2024. |
B.Kyoto features the peaceful daytime and energetic nightlife. |
C.Visitors worldwide can enjoy skiing in Georgia all year round. |
D.Rock carvings in Algeria werc created by artists to attract tourists. |
A.It presents attractions in different regions of the world. |
B.It shows the beauty of rural landscapes around the world. |
C.It lists the most popular places of interest in the world. |
D.It discovers the hidden treasures in western cultures. |
8 . In a bustling city in Arizona stood a high school where most of the students live in poverty. Among them were four sons of Mexican immigrants, Juan, Oscar, Luis, and Alfredo. These boys, coming from
With enthusiasm and energy, they started calling mechanical engineers for design help. They were
As they worked on their robot, the boys also faced personal challenges. Juan struggled with the weight of family responsibilities; Oscar
After a few test runs of their robot, they piled into a second-hand van to head to the competition. Upon entering the main pool area, they noticed the college teams wearing matching outfits, with robots sponsored by big companies. Feeling a bit nervous, the boys put the robot in the water for a test run.
However, instead of letting this
A.academic | B.relevant | C.humble | D.professional |
A.space | B.mechanics | C.research | D.ocean |
A.giant | B.industrial | C.underwater | D.local |
A.advised | B.forced | C.challenged | D.consulted |
A.Reliant on | B.Available to | C.Short of | D.Desperate for |
A.Therefore | B.Otherwise | C.Moreover | D.However |
A.tied | B.pieced | C.added | D.wrapped |
A.conquered | B.created | C.expressed | D.battled |
A.perfect | B.strange | C.slight | D.elegant |
A.With | B.Given | C.Despite | D.Besides |
A.Unfortunately | B.Basically | C.Actually | D.Consequently |
A.disagreement | B.failure | C.conflict | D.progress |
A.scaled | B.lowered | C.inserted | D.fed |
A.boring | B.confusing | C.wowing | D.motivating |
A.bravery | B.generosity | C.confidence | D.perseverance |
The History of Snacks
Hamburgers, sandwiches and pizza are some of the worlds’ favourite snacks, but have you ever wondered
The hamburger started life as small pieces of raw beef
People say that it was John Montague, the Fourth Earl of Sandwich,
In 1889, Queen Margherita of Italy invited chef Rafaelle Esposito from his pizzaria to visit the royal palace and
A.She preferred to go to work on foot. |
B.She had to save money for her journey. |
C.She didn’t like the culture of the company. |
D.She thought the trip to her work time-consuming. |