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Unit 1 Science and Scientists
Science has always been a driving force in human progress. Throughout history, scientists have made great 1 to our understanding of the world. Their work often involves careful observation, repeated experiments, and 2 reasoning.
One of the most famous scientists in history is Isaac Newton. He was sitting under an apple tree when an apple fell and hit him on the head. This simple event led him to think about the force that 3 objects toward the earth. After years of research, he finally developed his theory of gravity, which 4 why planets move around the sun in predictable paths.
Another remarkable scientist is Marie Curie. She devoted her life to studying radioactive elements. Despite 5 many difficulties as a woman in science, she never gave up. Her discoveries in physics and chemistry earned her two Nobel Prizes, making her the first person to 6 this honor.
Scientific research requires patience and 7 . Scientists must be willing to face failure and learn from their 8 . They also need to communicate their findings clearly so that others can 9 upon their work. In this way, knowledge accumulates and human society continues to 10 .
Today, science is developing at an 11 speed. New technologies are emerging constantly, bringing both opportunities and 12 . As future citizens, we should develop scientific thinking and stay 13 about the world around us. The spirit of science encourages us to 14 questions and seek truth through evidence. Only by maintaining this 15 can we make progress in any field.
1. A. efforts B. contributions C. decisions D. preparations
2. A. logical B. physical C. chemical D. medical
3. A. pushes B. throws C. pulls D. drops
4. A. imagined B. created C. invented D. explained
5. A. facing B. avoiding C. ignoring D. solving
6. A. refuse B. achieve C. forget D. doubt
7. A. luck B. wealth C. determination D. comfort
8. A. successes B. mistakes C. dreams D. plans
9. A. take B. depend C. look D. build
10. A. advance B. return C. remain D. disappear
11. A. unusual B. unprecedented C. unexpected D. unnecessary
12. A. advantages B. benefits C. challenges D. chances
13. A. serious B. nervous C. silent D. curious
14. A. raise B. answer C. avoid D. repeat
15. A. silence B. distance C. attitude D. direction
Unit 2 Bridging Cultures
Studying abroad has become increasingly 1 among Chinese students in recent years. It offers young people a valuable opportunity to experience different cultures and 2 their horizons. However, adapting to a new environment can be 3 .
When students first arrive in a foreign country, they often experience culture shock. Everything seems unfamiliar, from the food and weather to social customs and academic 4 . Some students may feel homesick and 5 during the initial period. It takes time and effort to 6 to the new way of life.
Language barriers can also create difficulties. Even students with good English skills may 7 to understand local accents and informal expressions. Classroom discussions and academic writing require a higher level of language 8 . Many students spend extra time improving their language abilities.
Despite these challenges, studying abroad brings numerous 9 . Students gain independence and learn to solve problems on their own. They develop cross-cultural communication skills that are 10 in today’s globalized world. Making friends from different backgrounds helps them understand 11 perspectives.
To make the most of this experience, students should keep an open 12 . They need to respect local customs while maintaining their own cultural 13 . Participating in campus activities and joining student organizations can help them 14 into the community. With proper preparation and a positive attitude, studying abroad can be a life-changing 15 .
1. A. difficult B. popular C. expensive D. boring
2. A. narrow B. limit C. broaden D. reduce
3. A. easy B. relaxing C. simple D. challenging
4. A. expectations B. excuses C. explanations D. experiments
5. A. excited B. lonely C. cheerful D. satisfied
6. A. adjust B. belong C. refer D. object
7. A. agree B. fail C. struggle D. hesitate
8. A. confidence B. appearance C. behavior D. proficiency
9. A. benefits B. risks C. losses D. debts
10. A. harmful B. essential C. optional D. similar
11. A. similar B. diverse C. simple D. familiar
12. A. mouth B. door C. window D. mind
13. A. identity B. memory C. history D. mystery
14. A. separate B. divide C. integrate D. isolate
15. A. disaster B. mistake C. accident D. journey
Unit 3 Food and Culture
Food is much more than just something we eat to 1 . It carries deep cultural meanings and reflects the history and values of a society. Different regions have developed unique cooking styles based on local 2 and climate conditions.
Chinese cuisine is famous worldwide for its diversity and 3 . From the spicy flavors of Sichuan to the delicate tastes of Cantonese food, each region offers distinct 4 experiences. The art of Chinese cooking emphasizes the balance of colors, aromas, and 5 . Traditional Chinese medicine also influences food choices, as people believe certain ingredients can 6 health.
Western food culture has its own 7 . In many European countries, meals are social events where families gather to share food and conversation. The French take particular 8 in their cuisine, which is considered an important part of their national identity. Wine pairing and elegant presentation are 9 elements of fine dining.
Food also plays a significant role in festivals and 10 . During the Spring Festival, Chinese families prepare dumplings and fish, which 11 prosperity and abundance. Thanksgiving in America centers around a traditional turkey dinner, bringing loved ones together to 12 gratitude.
In recent years, food culture has been influenced by globalization. People can now enjoy dishes from around the world in their own cities. However, it is important to 13 traditional cooking methods and local food heritage. Understanding food culture helps us 14 the richness of human civilization. Food truly serves as a bridge that 15 people across different cultures.
1. A. compete B. travel C. study D. survive
2. A. ingredients B. instruments C. instructions D. inventions
3. A. simplicity B. sophistication C. weakness D. laziness
4. A. medical B. musical C. culinary D. physical
5. A. textures B. temperatures C. pressures D. measures
6. A. ignore B. damage C. improve D. prevent
7. A. problems B. characteristics C. difficulties D. disadvantages
8. A. pleasure B. pain C. pity D. pride
9. A. essential B. useless C. harmful D. optional
10. A. competitions B. celebrations C. examinations D. conversations
11. A. symbolize B. criticize C. organize D. describe
12. A. refuse B. hide C. express D. forget
13. A. forget B. destroy C. ignore D. preserve
14. A. waste B. appreciate C. doubt D. reject
15. A. controls B. separates C. confuses D. connects
Unit 4 Journey Across a Vast Land
Canada is the second largest country in the world, covering an 1 area from the Atlantic Ocean to the Pacific Ocean. Its vast landscape includes mountains, forests, lakes, and prairies, offering 2 scenery for travelers.
The most famous train route in Canada is The Canadian, which travels from Toronto to Vancouver. This four-day journey takes passengers through some of the most 3 natural wonders. As the train moves westward, travelers can 4 the dramatic changes in landscape and climate.
Starting from Toronto, passengers first pass through the Canadian Shield, a region of ancient rock covered with forests and lakes. Then the train enters the Prairie Provinces, where endless fields of wheat 5 to the horizon. This flat land gives way to the 6 Rocky Mountains, with snow-capped peaks and deep valleys.
Along the way, travelers have opportunities to observe wildlife in their natural 7 . Bears, moose, and eagles can often be 8 from the train windows. The journey also provides a chance to meet people from different backgrounds and learn about their way of life.
Traveling by train offers a 9 experience compared to flying. It allows passengers to slow down and truly 10 the beauty of the land. The rhythmic sound of wheels on tracks creates a peaceful 11 , perfect for reflection and relaxation. For those seeking adventure and natural beauty, a train journey across Canada is truly 12 .
The vastness of Canada reminds us of the 13 of nature. In our fast-paced modern life, such journeys help us reconnect with the natural world. They teach us to be 14 and to find joy in simple moments. Whether you are a nature lover or simply need a break from daily 15 , this journey will leave a lasting impression.
1. A. enormous B. tiny C. narrow D. limited
2. A. boring B. breathtaking C. ordinary D. familiar
3. A. common B. simple C. impressive D. artificial
4. A. witness B. ignore C. forget D. avoid
5. A. fall B. shrink C. break D. stretch
6. A. small B. ugly C. magnificent D. weak
7. A. habitat B. building C. factory D. school
8. A. trapped B. hidden C. lost D. spotted
9. A. similar B. unique C. boring D. dangerous
10. A. waste B. appreciate C. doubt D. reject
11. A. trouble B. pollution C. noise D. atmosphere
12. A. forgettable B. unforgettable C. comfortable D. uncomfortable
13. A. silence B. weakness C. power D. darkness
14. A. patient B. impatient C. careless D. hopeless
15. A. vacation B. holiday C. weekend D. routine
Unit 5 First Aid
Accidents can happen anytime and anywhere, making first aid knowledge 1 for everyone. Knowing how to respond in an emergency can mean the difference between life and death. Proper first aid can prevent injuries from becoming 2 and provide comfort to victims until professional help 3 .
One of the most common emergencies is choking. When someone is choking, their airway is blocked, 4 them from breathing. The Heimlich maneuver is an effective technique to remove the 5 . You stand behind the person, wrap your arms around their waist, and make quick upward thrusts to force the object out.
Burns are another frequent injury that requires 6 attention. For minor burns, cool the affected area with running water for at least ten minutes. Do not apply ice directly to the burn, as this can cause 7 damage. Cover the burn with a clean, dry cloth to prevent 8 .
In case of bleeding, apply direct 9 to the wound using a clean cloth or bandage. Elevate the injured area above the heart level if possible. If the bleeding is severe and does not stop, call for emergency medical 10 immediately.
Cardiopulmonary resuscitation, or CPR, is a life-saving technique used when someone’s heart has 11 . It involves chest compressions and rescue breaths to maintain blood flow and oxygen 12 . Learning CPR from a certified instructor ensures that you perform it 13 .
First aid training should be part of everyone’s education. Schools and workplaces should organize regular training sessions to keep these skills 14 in people’s minds. Being prepared for emergencies not only protects ourselves but also 15 us to help others in need.
1. A. difficult B. optional C. essential D. impossible
2. A. better B. worse C. smaller D. lighter
3. A. arrives B. leaves C. disappears D. fails
4. A. encouraging B. allowing C. helping D. preventing
5. A. obstruction B. protection C. connection D. direction
6. A. delayed B. immediate C. unnecessary D. occasional
7. A. similar B. less C. further D. equal
8. A. infection B. comfort C. beauty D. strength
9. A. pleasure B. pressure C. attention D. attraction
10. A. punishment B. refusal C. complaint D. assistance
11. A. improved B. started C. stopped D. continued
12. A. shortage B. demand C. waste D. supply
13. A. slowly B. secretly C. correctly D. quietly
14. A. fresh B. old C. weak D. strange
15. A. delays B. prevents C. forbids D. enables
答案
Unit 1
1---5 BACDA 6---10 BCBDA 11---15 BCDAC
Unit 2
1---5 BCDAB 6---10 ACDAB 11---15 BDACD
Unit 3
1---5 DABCA 6---10 CBDAB 11---15 ACDBD
Unit 4
1---5 ABCAD 6---10 CADBB 11---15 DBCAD
Unit 5
1---5 CBADA 6---10 BCABD 11---15 CDCAD

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