Giúp em với ạ !

a/ Theo em, vì sao phải biết bảo vệ môi trường và tài nguyên thiên nhiên? Em sẽ làm gì để góp phần bảo vệ môi trường quê hương trong lành, sạch đẹp? Yêu cầu không chép mạng

Một người đi từ A đến B với vận tốc 6 km/giờ, sau đó lại đi về A với vận tốc 4 km/giờ. Đố em tính được vận tốc trung bình của người đó cả đi lẫn về

helpppppppppppppppppppppppppppp meeee

Bài 1 : Con sên thứ nhất trong 15 phút bò được 2/5 mét . Con sên thứ hai trong 1/4 giờ bò được 45 cm . Hỏi con sên nào bò nhanh hơn ?

Hoàn cảnh sáng tác của văn bản Nước Đại Việt ta

- She’s so busy with….activities that she has no time for entertainment. (society) - Every….in science helps you gain new knowledge. (succeed) - Coke is a……of cola flavor, water carbon dioxide and sugar. (mix) - Some experts say cycling is one of the…..form of exercise. (safety) -. Is there any……to treat her so badly? ( necessary) - After the hot summer, there was a…..of water. (short) - The……will make him a rich man. (inherit) - The…..to the questions are at the back of the book. (solve) - I’ll give you three sweets in….for an apple. (exchange) - In some countries, black people do not have…..with white people. (equal) - Can you….life without electricity and other modern conveniences? (imagination) -Mrs Tam has just bought a….object. It doesn’t cost even a pence. (value)\ - The United Nations….is an international one. (organize) - Banks make loans to…..(borrow) - Banks provide…..which make it easier for us to pay bills and carry on business. (serve) - The...unit in France was the Franc. (money) - I’m worried about the…of the children. (safe) - What do you call the….relations among countries.(nation) - This restaurant is…for its western meals. (fame) - They all passed their exams without the slightest...(difficult) - Applied scientists have…our homes. (electrification) - The...of a famous doctor was announced last night. (die) - Don’t leave the lights on. It wastes…(electric) - These countries are...in imports of raw cotton. (prefer) -. The...of the moon for the earth causes the tides. (attract) - We…go out for dinner but we cook own meals most of the time. (occasion) - Traveling a lot will…our minds. (broad) - In some countries…has made young people buy things they don’t need. (advertise) - I can say with...that you have made much progress in learning English. (certain) - The company is very efficient and gives a...service. (speed) - You are very…(intelligence) - People must have...for the air pollution. (responsible)

- He worked hard to……good crops from poor soil. (product) - How…….of you to break that cup! (care) - His long….made us bored and sleepy. (speak) - He never takes his father’s…..(advise) - They sat….by the stream. (quiet) - To my ……, the monkey peeled a banana and offered it to me. (amaze) - …..air and water are not good for our health. (pollute) -. Air….makes us unhealthy. (pollute) - The……of the people in our community with the government is very necessary. (cooperate) - The paper milk….two tons of paper a day. Its…is one of the highest in our province. (produce) - My new car is more….than the one I had before. (economy) - Nothing could….him. (satisfaction) - She got great…..of helping others. (satisfy) - There have been many…..developments in the field of science. (wonder) - Many people say that …..is the happiest time.(child) - We didn’t agree with his…..(decide) -. Most orphans are bred in….(orphan) - Thousands of people were made….by the war. (home) - Mrs Brown lived lonely in her…..(poor) - He was…because he could not pay his debts. (sadness) - Dickens’ novel were first….in 1838. (publication) - I really don’t think he has the…..to do this job. (able) -. They work …..(good) - ….covers the sky at night. (dark) - Hard work always brings…..(succeed) - He was very……He was a…..(patriotism) - …..methods of farming have helped to increase rice production a great deal.(science) - Mr Hung went……last Sunday. (shop) - These abbreviations are….used in writing letters. (common) - I would recommend that you should be interested in reading…..books and magazines. (education) - John is old enough to be…..of his parents. (depend) - It takes years of….to acquire the skill of a ballet dancer. (practice) - These questions are…..John can…..answer them. (ease) - A spaceman must learn to become accustomed to…..in a spaceship.(weight) - Make sure that your time is spent….(use) - I’m…..in your project because it is….(interest) - The teacher often….the students to ask questions. (courage) - I can’t jump any….(height) -. The new law will……many women to return to work. (able) - Many people think that Faraday is the greatest….in his story. (invent) - It was one of his most important….(achieve) - …..is often more useful than definition for giving the meanings of words. (illustrate) - The boy was given a prize for regular….(attend) - His discoveries had a great….on workers. (influential) - Where were the competitions……(organization) -. The representatives joining the festival were from different….(national) - They have a good….with their neighbors. (relative) - He left for a….of reason. (vary) - You can trust him. He is always…and everything he says is…..(truth) - Many old buildings in the city were moved to make way for…..(develop) - She has been very…..since her husband died. (poverty) - We should learn all the new words by heart in order to…..our vocabulary.( rich) - The little boy felt very…because his parents didn’t let him go with them. (disappoint) - She can’t go to school because of her…….(sick) - The…..of that little girl makes the room more pleasant. (present) - …..is a problem throughout the world. (hungry) - Clever students….knowledge easily.(absorption) - With so many choices, it’s hard to….what to buy. (decision) - The village is very quiet and….(peace) - All my efforts ended in….(fail) - I was….about the dates. (confusion) - You should have a…about scientific subjects if you want to be a scientist. (curious) - Children need to have a good…..(education) -…puzzles are funny. (mathematics) - You don’t need to have a …..memory to be a scientist. (miracle) - Our school team won three…..games. (succession) - A scientist doesn’t need a miraculous….(memorize) - It will take a long time to find out a thorough…..to the problem of pollution. (solve) - traveling by train is very….(attract) - …..have researched…..subjects (science) - Countless …..have been made in the textile industry. (produce) - His father is an……(architecture) - The…..of world population is being studied. (grow) -. Japan is an….country. (industry)

Giải hộ mình phần đọc hiểu nhà,cảm ơn các bạn Tặng 50đ luôn á

viết chương trình đếm các số chia hết cho từ 3 đến 1 đến N (N>=100) kết quả hiển thị lên màn hình có sử dụng hàm dem(N)