Bài 3. a) Biết tỉsốcác cạnh góc vuông của một tam giác vuông là 5:6 ; cạnh huyền 122cm. Tính độdài hình chiếu của mỗi cạnh góc vuông lên cạnh huyền. a) Biết tỉsốcác cạnh góc vuông của một tam giác vuông là 3:7 ; đường cao ứng với cạnh huyền là 12cm. Tính độdài hình chiếu của mỗi cạnh góc vuông lên cạnh huyền

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Ex 8. Choose the word which best fits each gap. Many people (1) __________ crafting with paper. The materials are readily available and don't cost much; and no super special talents is needed. Anyone (2) __________ be a paper crafter. There are many different paper craft techniques. Origami is one of ancient techniques developed in Japan where squares of paper are (3) __________ and formed into various objects such as flowers, animals, and boxes. Card (4) __________ is also a favourite paper craft technique. Birthday cards are the most popular greeting cards, followed by Christmas cards. Receiving a (5) __________ card is a special gift, because of the time and effort someone spent making it. It lets the recipient know just how much you care (8) __________ them. 1. a. enjoy b. decide c. want d. learn 2. a. must b. should c. can d. will 3. a. wrapped b. folded c. torn d. taken 4. a. making b. doing c. changing d. receiving 5. a. handmake b. handmaking c. handmade d. making hand 6. a. in b. on c. over d. about Ex 9. Read the text carefully, then answer the questions. My name’s Susan. I have two favourite hobbies. My first hobby is reading. I started to do it when I was four years old. The first time I did it, I felt interested. So I kept reading. I enjoy reading because it can make me relaxed and calm. Moreover, it can give me an imagination, so I can write books in the future. I can learn the different cultures and customs of other countries in the world, too. My second hobby is gardening. I have made a small garden and planted many beds of flowers. In the spring season, my garden is full of beautiful flowers. I have a separate plot for vegetables - carrots, potatoes, etc. In the evening, I water the plants and remove the weeds. I love sitting in my garden and reading my books. It is very pleasant to be there! 1. What are Susan’s hobbies? __________________________________________________________________ 2. When did she start reading? __________________________________________________________________ 3. How did she feel when she first read a book? __________________________________________________________________ 4. Why does she enjoy reading? __________________________________________________________________ 5. What has she planted in her garden? __________________________________________________________________ 6. When does she water plants? __________________________________________________________________ Ex 10. Write sentences, using the cues given. 1. I/ enjoy/ play/ sports/ because/ it/ good/ health __________________________________________________________________ 2. your children/ go/ camp/every summer holiday? __________________________________________________________________ 3. I/ think/ photography/ can/ expensive hobby __________________________________________________________________ 4. my cousin/ give/ me/ book/ gift/ next birthday __________________________________________________________________ 5. he/ find/ mountain climbing/ dangerous/ so/ he/ not take/ it __________________________________________________________________ 6. I/ hope/ the future/ he/ teach/ me/ how/ do/ eggshell carving __________________________________________________________________

nhờ a Maiyeumotnguoi giải giúp e ạ VI/ Hoaøn thaønh ñoaïn vaên vôùi nhöõng töø trong khung: sit powerful diseases rapidly from not television space way called Our world is changing …………………….. . Every day we are going farther faster. Sixty years ago we didn’t have airplanes, but today we are sending men into ………………….. . Every day we are sending news faster. Today a family in San Francisco can ……………..in its living room and watch alive ……………….program from Paris. And every day we are conquering more …………………… Less than ten years ago people feared the dreaded disease ………………….polio, but today ……………………..vaccines have almost wiped it out. Our changing world is ……………….always comfortable and secure. Many people don’t like to change. They like the ……………it is. Ye more changes are coming: Ten years …………………now few people will live the way they are living. - conquer: cheá ngöï - polio: beänh baïi lieät - wipe out : tieâu dieät VII/ Saép xeáp nhöõng caâu sau thaønh moat ñoaïn hoäi thoaïi hôïp lyù: ____ Do you want to send it by airmail or surface mail? ____ Oh! That’s too expensive. ____ All right. ____ Excuse me. I’d like to send this parcel to Ha Noi. ____ That’s better. I’ll send it surface. ____ How much is airmail? ____ Surface mail is cheaper. It’s only 22,000 dong. ____ I’ll have to weigh the parcel first. Four kilograms. That will be 43, 500 dong.