Put the verbs in brackets into the correct tenses of the conditionals. 1.If we (recycle) ________ more, we will help the Earth. 2. Factories (not dump) ____________waste into rivers if the government fines them heavily. 3. If people travel to work by bus, there (be) ______________fewer car fumes. 4. We (save) ________________thousands of trees if we don’t waste paper. 5. If we use water carefully, more people (have) ______________fresh water. 6. If it (rain) ______________ , the children ( not, go) ______________ for a walk. 7. If she (not, read) _____________the novel, she (not pass) _____________the literature test. 8. If we _____________(take) the bus we ____________(not arrive) in time. 9. If Dick ____________(not, buy) the book, his friends _____________ (be) angry with him. 10. If Tom _________(not, tidy up) his room Victoria ________(not help) him with the muffins.

Cho tam giác ABC có DE//BC , biết AD=2cm , BD=1cm và Ac=4cm . Tính EC

Từ Đoạn vòm trời cũng như cao hơn đến trước cửa sổ nhà mình em thể hiện suy nghĩ của mình về tình yêu thiên nhiên và quê hương đất nước

Bạn nào giải giúp mình bài 5 với

giải phương trình x-1/13 - 2x-13/15 = 3x-15/27 - 4x-27/29 (HD : thêm hoặc bớt 1 vào các hạng tử)

VII. Match the questions with the answers. 1. What is community service? 2. Have you ever done any volunteer work? 3. What can we do to help people in a flooded area? 4. Why should we donate to UNICEF? 5. How do you think we can help sick children? 6. Would you like to work as a volunteer? 7. What have you learned from volunteering? 8. Why do people enjoy doing volunteer work? a. Because it will help make a difference to millions of children’s lives. b. We can provide them with food, clothes and other necessities. c. I’d love to. But I don’t have much free time. d. It’s voluntary work that someone does to help their community. e. I’ve learned a lot of new skills. f. Because they want to help other people. g. We can bring fun and enjoyment to them. h. No, I have never done it. VIII.Choose the word which best fits each gap. Doing some form of voluntary work has (1) _________ been more popular with British people. Over 20 million people were engaged (2) _________ voluntary activities in 2013. Volunteering means giving up time to do work of (3) _________ to the community. It can be based in the UK or overseas. Volunteering can take many forms, from working with children with (4)_________ difficulties, in an animal hospital, or planting trees. (5) _________ London won its bid to host the 2012 Olympics, up to 70,000 (6) _________ were needed to help ensure the games were a success. 1. a. ever b. any c. never d. before 2. a. with b. in c. to d. for 3. a. comfort b. benefit c. contribute d. profit 4. a. learn b. learned c. learning d. learnt 5. a. When b. While c. Where d. What 6. a. donors b. visitors c. foreigners d. volunteers IX. Read the text carefully, then decide whether the following statements are true (T) orfalse (F). The Soup Kitchen, founded in 1986, is a resource for the homeless, elderly, lonely and poor inCentral London, providing free hot meals, clothes and toiletries, and creating a sense of belonging and community. Serving around 70 people a day from 10 am -12 noon on Monday, Tuesday, Thursday, Friday and Saturday, with the Clothes Closet open on alternate Mondays, four to five volunteers are required each morning to carry out this vital work. The Soup Kitchen is run by a Board of Trustees, a part-time Director and Kitchen Manager, three more staff and a team of volunteers. Support for The Soup Kitchen comes from individuals, corporations and trusts. Volunteers and donations (both financial and in-kind) are vital to support our work and enable us to continue this service to the community. 1. The Soup Kitchen is a non-profit organization. 2. It provides free meals for people in need. 3. It opens five days a week from 10am to 12pm. 4. Clothing is provided every Monday morning. 5. The organization is funded by donations from individuals, corporations and trusts. 6. People can only donate money to the Soup Kitchen.

CMR:Ba số nguyên dương a,b,c theo thứ tự lập thành một cấp số cộng khi và chỉ khi các số $\frac{1}{\sqrt{b}+\sqrt{c}}+\frac{1}{\sqrt{c}+\sqrt{a}}+\frac{1}{\sqrt{a}+\sqrt{b}}$ theo thứ tự lập thành 1 cấp số cộng.

làm giúp mình nhé! Trình bày suy nghĩ của anh/chị về vấn đề bảo vệ sức khỏe cộng đồng trước đại dịch corona. viết thành bài văn nha

help me!!!!!!!!!!!! 60đ #hatunhien

Một máy tăng thế gồm cuộn sơ cấp có 500 vòng, cuộn thứ cấp có 50 000 vòng đặt ở đầu một đường dây tải điện để truyền đi một công suất điện là 1000 000W, hiệu điện thế đặt vào hai đầu cuộn sơ cấp là 2000V. a.Tính hiệu điện thế ở hai đầu cuộn thứ cấp. b.Điện trở của đường dây là 200.Tính công suất hao phí do toả nhiệt trên đường dây. c.Để hao phí giảm 100 lần, cần cuộn dây có bao nhiêu vòng?