Giải thích ý ngĩa của những câu tục ngữ sau: 1.Uống nước nhớ nguồn 2.Lá lành đùm lá rách 3.Gần mực thì đen Gần đèn thì sáng

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Câu 3: Gỉa sử có một ngày tại GiaLai, người ta đo nhiệt độ không khí lúc 5h: 190 độ c, 13h: 270 độ c và 21h: 230 độ c. Em hãy nêu cách tính và tính nhiệt độ trung bình của ngày hôm đó . Đang cần gấp lắm ạ!

Ex6: Read and fill in each blank with the most suitable modal verb. This week's nutrition tips 1.Eat three times a day. If you are hungry, you ……… feel moody, and you……………not concentrate. 2.Popular snacks, like crisps or biscuits, aren’t healthy. If we eat a lot of these foods, wehave problems with ………….. our weight. Choose healthy snacks, like fruits. 3.Cook your…………….meals at home from fresh products. If you use fresh products, your meals not have a lot of had chemicals and …………………..be healthy. 4.Fish is good for the brain. If you don’t eat fish, your memory …………………..get worse. 5.Broccoli and tomatoes have a lot of vitamins and minerals. They ………….. help us to stay healthy if we eat them regularly.

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B/ Choose the best answer. 1. If you are too busy, you can ________ some takeaway food. A. cook B. make C. buy D. prepare 2. You ________ put some sunscreen on your skin ________ you want toprevent it from the harmful effects of the sun. A. must/ if B. need/ unless C. should/ if D. will/ unless 3. You should ________ up smoking ________ you will get ill. A. giving/ if B. to give/ unless C. have given/ and D. give/ or 4. If you ________ fewer calories than you bum, you ________ lose weight. A. must eat/ do B. should eat/ might C. eat/ will D. will eat/ should 5. This meat is beautifully ________ . Can you share your ________ with us? A. soft/ ingredient B. tender/ recipe C. raw/ receipt D. cooked/ flavor 6. The tomatoes give extra ________ to the sauce. A. portion B. characteristic C. flavor D. component 7. If you want to lose weight, you ________ cut down on your sugar intake. A. shouldn't B. have C. should D. mustn't 8. ________ the chicken with almonds to make your dish more ________ . A. Will you garnish/ pretty B. Garnish/ appealing C. Should garnish/ beautiful D. You must garnish/ flavorsome 9. She is so sweet. She picked me a ________ of flowers. A. pinch B. bunch C. handful D. loaf 10. If she ________ more, she ________ not be overweight now. A. exercises/ will B. exercises/ would have C. exercised/ work D. exercised/ will 11. If you ________ time, you should ________ out more often. A. had/ work B. have/ work C. will have/ get D. are/ having 12. You should stop eating ________ chips. They can make you fat. A. greasy B. salty C. bland D. spicy Ex6: Read and fill in each blank with the most suitable modal verb.

Bài 1: Một cái hộp dạng hình hộp chữ nhật có chiều dài 20 cm , chiều rộng 15 cm và chiều cao 10 cm Bạn Bình dán giấy màu đỏ vào các mặt xung quanh và dán giấy màu vàng vào hai ,mặt đáy của hộp đó (chỉ dán mặt ngoài ). Hỏi diện tích giấy màu nào lớn hơn và lớn hơn bao nhiêu xăng -ti-mét vuông ? Bài 2: Một căn phòng dạng hình hộp chữ nhật có chiều dài 6 m, chiều cao 3,8m.Người ta muốn quét vôi vào các bức tường xung quanh và trần của căn phòng đó .Hỏi diện tích cần quét vôi là bao nhiêu mét vuông ,biết tổng diện tích các cửa bằng 8 m2. (chỉ quét bên trong phòng ) Bài 3:tính diện tích xung quanh và diện tích toàn phần của hình lập phương có cạnh : a, 11cm b, 6.5 dm c, 2/5m

You ____ at least call or send him a message to ask for his permission if you want to use his car. A. might B. should C. may D. can If people work so much, they ________ depressed and eat more. A. had felt B. may feel C. may have felt D. felt ________ products include food items such as yogurt, cheese, and butter. A. Artificial B. Non-diary C. Diary D. Natural Food in Northern Vietnam is not as ________ as that in Central and Southern Viet Nam, as black pepper is often used rather than chilies. A. spicy B. strong C. flavour D. exciting If you eat too quickly, you may not ___ attention to whether your hunger is satisfied. A. take B. keep C. show D. pay Artificial flavors are ________ designed to mimic the taste of natural ingredients. A. addition B. additive C. additives D. additions Flavor ________ are added to our favorite processed foods, restaurant meals and snacks for their better tastes. A. supporters B. boosters C. providers D. enhancers Studies suggest ________ only when you are most active and giving your digestive system a long break each day. A. to eat B. being eating C. being eaten D. eating If parents don't cook at home, their children ________ more fast food. A. have B. would have C. had had D. may have Moderation doesn't mean ________ the foods you love. A. preventing B. to prevent C. eliminating D. to eliminate If children don't play sports, they ________ sleepy and tired. A. will feel B. had felt C. would feel D. would have felt Fast food is not a healthy food because it contains a lot of artificial flavors and ___. A. preservative B. preservatives C. preserve D. preservation Your body uses calcium to build healthy bones and teeth, __ them strong as you age. A. keep B. care C. remain D. continue

7. "he's not at home.",she said. -she said that.............................................................

bài 1:cho tam giác ABC, M là trung điểm của AB, đường thẳng qua M và // BC cắt AC ở I, đường thẳng qua I và //AB cắt BC ở K.C/M rằng a, AM=IK b,tam giác AMI= tam giác IKC c, AI=IC