How to write a secret message Do you want to write a message that can only be read by a person? It is a secret message for that person only. The other people can’t see the message on the paper. Only that person knows how to make the message appear. Here’s an experiment (实验) on how to write such a message. You’ll need halfa lemon a cup four spoons of water a cotton swab (棉签) white paper a light bulb (电灯泡) What to do
1.Squeeze (挤) some lemon juice into water. Mix the water and juice. 2. Put the cotton swab into the mixture (混合物) and make it wet. Use the wet cotton swab to write some words on the paper. 3. Let the paper dry. Show it to someone and ask if he or she can see the words on the paper. 4. Hold the paper close to a light bulb to heat it. Ask him or her again. Let me explain it! Lemon juice has chemicals that have carbon (碳). The chemicals break down easily when they are heated. And the carbon makes them turn a dark color. |
1. If you want to do this experiment, you need the following things EXCEPT ________.
| A．lemon | B．water | C．paper | D．milk |
a. Use a light bulb to heat the paper.
b. Put a cotton swab into the mixture of lemon juice and water.
c. Mix lemon juice and water.
d. Write some words on a piece of white paper with the wet cotton swab.
e. Dry the paper.
| A．adcbe | B．cbaed | C．cbdea | D．aebcd |
| A．when you hold the paper up | B．after you heat the paper |
| C．after you dry the paper | D．when you shake the paper |
| A．To tell us how we can make good use of fruit juice. |
| B．To explain why water is very important in our daily life. |
| C．To tell us why we need to use water and electricity wisely. |
| D．To show how we can use lemon juice and water to write a secret message. |
| A．A science magazine. | B．A storybook. |
| C．A travel guidebook. | D．A cookbook. |
相似题推荐
【推荐1】Good study habits (习惯) are important for all students. When you have good study habits, you will learn faster and find you have a good memory.
Do you usually study in the living room? This is not a good place for study because it is usually too noisy. You need to study in a quiet place, such as your bedroom. A quiet place will help you learn better.
Before you begin to study, do not forget to clean your desk. It helps you study well, too. Light is important, too. You’ll feel tired easily if there is not enough light.
Of all the good study habits you can develop, asking questions is the key. Just ask. No one knows everything, but we can always learn from each other by asking questions.
One simple but important habit is to tell yourself what you’re studying for. Putting your dream grades (理想的分数) on the wall next to your bed or computer means you’ll see and think about it every day.
What do you work best? Are you an early bird, a night owl (猫头鹰), or something in between? Find your most productive work time, and then plan to study at this time.
1. You should _________ before study.| A．clean the desk | B．put your storybooks away |
| C．drink some water | D．wash your hands |
| A．to make us happy |
| B．to make our parents happy |
| C．to make the wall beautiful |
| D．to remind (提醒) us what we are studying for |
| A．rich | B．poor | C．beautiful | D．creative |
| A．Study in the bedroom. | B．Good study habits. |
| C．How to study. | D．Light is important. |
【推荐2】There once lived a rich businessman who had a lazy son. The businessman wanted his son to realize the value of labor.
One day, he told his son, “Today, I want you to earn something. If you fail, you won't have your meal tonight.”
The boy didn't want to find a job, so he asked his mother for help. She gave him a gold coin. In the evening, when the father asked his son what he had earned, the son showed him the gold coin. The father then asked him to throw it into the well (水井). The son did as he was told.
The father guessed that the gold was from the boy's mother. The next day, he sent his wife to her parents' home and asked his son to earn something. Since no one helped him, the son had to go to the market to look for a job. A shopkeeper told him that he would pay him a coin if he carried heavy tools for him. The son accepted. As he returned home and gave the coin to his father. he was asked to throw it into the well. The boy cried, "Dad! My body is aching. I'm tired. How are you asking me to throw my hard-carned coin into a well?"
The businessman smiled. He told his son that one feels pain only when the fruits of labor are wasted. The son realized the value of hard work. He promised not to be lazy any more.
1. Who helped the son when he was asked to earn something for the first time?| A．His father. |
| B．His mother. |
| C．His sister. |
| D．The shopkeeper. |
| A．painful |
| B．hopeful |
| C．helpful |
| D．powerful |
| A．To fill the well. |
| B．To check if the coin is real. |
| C．To keep the coin for the boy. |
| D．To check if the boy had earned the coin by himself. |
| A．Surprised |
| B．Sad |
| C．Excited |
| D．Relaxed |
| A．a wise father |
| B．a gold coin |
| C．the fruits of labor |
| D．a lazy boy |
【推荐3】Humans like to pet animals because polling can improve your relationship with your pet. It can also help you feel more supported and less lonely on days that you’re feeling blue. But how to pet animals? Different animals like different ways.
Dogs like to be petted on their chests (胸口), necks and shoulders. If you are petting a strange dog, you should come near to it slowly, get down to its slowly, and hold out a closed list for it to smell. After the dog smells you and its body appears relaxed, you can slowly and lightly touch around its oars and around its shoulders and chest.
Cats enjoy being petted on their heads, chins (下巴) and necks. When you are going to pet a cat, let it come near to you first. Get down or sit down to be at its level and put your hand out for it to smell. If it wants to be petted, it will push its head into your hand or get close to your body. Use your fingers to lightly scratch (挠) under the cat’s chin, on the top of its head and around its cheeks (脸颊).
Rabbits like to be petted on their heads, shoulders and cheeks. Rabbits are easily afraid of humans. So you’d better come near to them slowly, sit down on the ground and put out your hand for them to smell. If you rabbit comes near to you, use your fingers to lightly pet its head.
Pet birds lightly on the head arid avoid touching other areas. Building crust with birds takes time, so come near to them slowly and watch for body language shoeing that they want to be petted. When you go to pet your bird, put your hand only on its head. You can touch its cheeks and the back of its head.
根据材料内容选择最佳答案。
1. How do we pet a strange dog according to the text?
A． | B． | C． | D． |
| A．Their heads and ears. | B．Their chests and necks. |
| C．Their shoulders and legs. | D．Their heads and cheeks. |
| A．Because birds might get hurt sometimes. | B．Because birds are easily afraid of humans. |
| C．Because building trust with birds takes time. | D．Because petting birds can be dangerous for humans. |
| A．P1/P2P3/P4P5 | B．P1/P2P3P4P5 | C．P1/P2P3P4/P5 | D．P1P2/P3/P4P5 |
| A．How to get animals | B．When to pet animals |
| C．Why we should get animals | D．What kinds of animals like to be petted |
Film Club
| Grade Level | 6—8 |
| For Credit （Y/N） | N |
| Meeting Day | Monday |
| Meeting Time | 2:00 p.m.—4:30 p.m. |
| Offered | Full Year |
| Teacher | Mr. Alvaro Vargas |
Club Description
Do you like watching movies? Do you enjoy discussing the plot, themes, characters, and structure of movies? Are you interested in reading? Then join the Northridge Middle School film club where you will be able to learn how to get a deeper understanding of the classical movies that you like and discuss your opinions with your partners. Students will watch a series of classical movies and join in discussions. If you cannot attend the course, you are welcome to watch the movie on your own or with friends, then share your thoughts during the next movie club meeting.
Food and drinks are encouraged and ordered for the movie if students bring money. So, if you want to relax and have a good time, while at the same time improving your analytic skills, then film club is for you.
Events & Topics
Topics included are: happiness and joy, pain and suffering, honor, love and the power of forgiveness, and much more. Events may include outings to shows and movies. （This depends on the availability of good movies/shows throughout the school year. ）
Skills to learn
Students will learn how to understand movies in-depth, which will help students in their understanding of books. Students will also grow in their ability to write movie or book reports and discuss them as a result of understanding the themes.
Extra Requirements
Students must be willing to write small reports or paragraphs about the movies in order to create an educated discussion in the club. Students should bring a pen and notebook or folder with loose-leaf paper.
| A．All the students who like movies. |
| B．A ninth grade student who likes reading. |
| C．A sixth grade student who loves seeing films. |
| D．A student who has afternoon classes every Monday. |
| A．students must attend every club meeting |
| B．students will enjoy free snacks and drinks |
| C．students can enjoy movies of many different topics |
| D．students can learn how to write a book in the club |
| A．To tell students how to join the club. |
| B．To teach students how to make a film. |
| C．To encourage students to write reports. |
| D．To introduce the film club of the school. |
| Dear students, The year of 2024 is coming soon. To celebrate it, we are going to have an English party on the afternoon of December 30th. Can you come to the party? Are you interested in English? If so, can you help with any of these things? (1) Buy some food and drinks. (2) Think of games to play. (3) If you love music, you can sing or dance. (4) Prepare an English story or play. Come and join us! We are looking forward to hearing from you all. Please tell us by next Thursday. Grade 8 Student Union |
| Making a turkey dinner： First, put everything you need together in a large bowl. Next, put this into the bird. Then, cook it at a very high temperature for a long time. Finally, serve it to your friends with some vegetables. |
| Dear classmates, 2024 is coming. It’s time for us to make New Year’s resolutions. Well, what are my New Year’s resolutions? As for my school work, I’m not good at history. In the coming year, I’m going to study hard at it. I’m not good at English, either. To improve it, I plan to listen to the teacher more carefully in class and watch more English TV programs. I think good health is very necessary. So I plan to eat less fast food and exercise more. Of course, I’m going to spend more time helping my parents with the housework. I promise I’m going to try my best to make my resolutions come true. Andy Smith |
1. Among (在……中) the three passages above, there’s no ________.
| A．instruction | B．invitation | C．diary |
| A．accepting | B．making | C．turning down |
| A．history | B．math | C．Chinese |
| A．one hour | B．two minutes | C．five weeks |
| A．Andy is going to eat less food and exercise more. |
| B．If one student replies to the invitation next Wednesday, it’s okay. |
| C．There are five steps to make a turkey dinner according to the passage. |
【推荐3】The government (政府) and its partners offer (提供) many programs to help students find summer jobs. If you hope to get experience, learn something more or make some money, please take this chance!
| Jobs for Youth If you are a teenager living in certain parts of the province, you can apply for (申请) this program. It provides eight weeks of work along with training. Who can apply: Students aged 15-18 | Summer Company Summer company provides students with business training and awards of up to $3,000 to start and run their own summer businesses. Who can apply: Students age 15-25 |
| Youth Ranger (护林员) Program You can join the program and work on local natural resource management projects for eight weeks this summer. Who can apply: Students aged 16-17 | Summer Employment (就业) Opportunities Through the program, students can word in all kinds of summer positions each year. Who can apply: Students aged 15 or older. Some positions require students to be 15 to 24 or up to 29 for disabled people. |
1. A ________ student can apply for jobs for Youth.
| A．17-year-old | B．24-year-old | C．19-year-old |
| A．it provides the training | B．it offers awards to students | C．it requires (需要) one to work for eight weeks |
| A．Sports lovers | B．Nature (自然) lovers | C．Business (商人)lovers |
| A．Jobs for Youth | B．Summer Company | C．Summer Employment Opportunities |
| A．In a book. | B．On a website. | C．In a newspaper. |
