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Người mắc bệnh gan da và mắt có màu gì? Giải thích?

Rút gọn biểu thức : a)√(2a +5) ² - (2a -7); b)( √7- √3) ² + √84

x^7 +x^5 +1. Phân tích thành nhân tử

. Choose the word whose underlined is pronounced differently 1. A. collect B. about C. word D.brother 2. A . calorie B. musical C. cinema D. community 3. A. again B. allergy C. organization D. gardening 4. A. school B. chemistry C. christmas D. champion 5. A.laugh B. rough C. enough D. neighbor 2. Choose the word in each line that has different stress pattern 1. A.donate B. allergy C. diet D. Compoud 2. A. homeless B.garden C. problem D.cartoon 3. A.provide B. service C.enjoy D. reduce 4. A. recycle B. graffiti C. educate D. encourage II. Choose the best answer to complete the sentences. 1. My father enjoys………………….. fishing when he is free. A. go B.going C.goes D. to go 2. We ……………………….. in Quang Ngai for ten years A. live B. are living C.have lived D.lived 3. She has a backache now,……………………he can’t carry heavy things. A. so B. because C.but D. or 4. Smoke ……………………and rest……………. to have a healthy life. A. more/ more B. fewer/ fewer C.less/ less D. less / more 5. They………….to swim two hours ago. A. begin B. have began C.began D. begins 6. My father and Tom…………….. me next week. A. visit B.visited C. have visited D.will visit III. Give the correct form of verbs. 1. My brother( collect)…………………………… stamp when he was a child . 2. I enjoy (fish) …………..because it (be )……..…………interesting. 3. …………………..you ( finish)…………………your homework yet ? 4. Don’t worry we (go ) …………………..swimming with you tomorrow . 5. My younger sister spends an hour (skip)…………… every day. 6. I find ( play)…………………..football is interesting and funny. IV.Fill in the blank space with the correct form of the words in the parentheses (0,5pt) 1.It is………..to maintain our health. (IMPORT) 2.He is going to ……………coins. He hopes he’ll have a lot of types coins. (COLLECTION) B. READING: I. Choose the correct in the box to fill each blank in the following passage WHAT SHOULD MY DAILY INTAKE OF CALORIES BE? number calories eat burn needs weight so more A person should have a healthy diet. A man (1)…..… around 2,500 Kcal a day, but the intake of (2)……… for a woman is lower, about 2,000 Kcal a day. These (3)……… can be different according to age and level of physical activities. To have a healthy weight, the number of calories you (4 )………… should be equal to the number of calories you ( 5 )…….. through physical activities. You need to use (6)……… energy than you consume, ( 7 )….............you can lose ( 8 )……… in a healthy way. This is how to do. 2. Read the passage , and then answer the questions The first reason why many families do volunteer work is that they feel satisfied and proud. The feeling of fulfillment comes from helping the community and other people. In addition, volunteering is a great way for families to have fun and closer. But many people say they don’t have time to volunteer because they have to work and take of their families. If that’s the case, try rethingking some of your free time as a family. You could select just one or two projects a year and make them a family tradition. For instance, your family can make and donate gift blankets for the old homeless people on holidays. Your family can also spend only one Saturday morning a month collecting rubbish in your neighborhood. 1. How do people often feel when they volunteer? …………………………………………………………………………………………. 2. Why do people not have time to volunteer? .......................................................................... 3. How can your family help the old homeless people? ………………………………………………………………………………………….. 4. Should your family spend time to volunteer? Why? …………………………………………………………………………………………….. C. WRITING: I. Rewrite the sentences, so that their meaning stays the same ,using the beginning 1. She likes cooking→ She enjoys …………………………………… 2. I don’t likes dancing on streets.→ I hate……………………………… 3. These people live in the moutains, so they have a lot of fresh air. → These people have a lot of……………………………………………… 4. I find ice- skating is interesting →I think……………………………………… 5. I started collecting stamps 2 years ago.--> I …………………………………………. 6. My mother has taught Maths for 10 years. ……………………………………………………………………………………. II. Write a paragraph about your hobbies ………………………………………………………………………………………………… ………………………………………………………………………………………………… ……………………………………………………………………………………............. ………………………………………………………………………………………………… ………………………………………………………………………………………………… …………………………………………………………………………………………………

Cần gấp mấy anh chị nhân hậu làm giúp 2 bài này : Bài 3 : Phân tích thành nhân tử : a) `36a^2 - c^2 - 9b^2 - 6bc` b) `x^2 + 2xy + y^2 - 4` c) `4b^2 - a^2 - 2a - 1` Bài 4 : Tính nhanh a)` 36 . 28 + 36.82 + 64 . 69 + 64.41` b) `13,5 . 5,8 - 8,3 . 4,2 - 5,8 . 8,3 + 4,2 . 13,5` c) `4,8 . 13,3 + 4,8 . 6,7 + 5,2 . 13,3 + 5,2 . 6,7` d) `7,8 . 55,1 + 92,2 . 55,1 - 7,8 . 5,1 - 92,2 . 5,1`

Tại sao người phẫu thuật cắt 2/3 dạ dày mà vẫn xảy ra quá trình biến đổi thức ăn?

vẽ chú koala này ra giấy giúp mik với

Làm phần tự luận ko làm bài hình ak.hứa vote

viết phương trình đường thẳng (d3): y=ax+b và (d3) đi qua điểm D(-1;-3)