1 hình chữ nhật có chiều dài hơn chiều rộng là 2m đường chéo của hình chữ nhật = 10 m.tính diện tích hình chữ nhật

M.n giúp mình với Con trỏ văn bản của word trong máy tính của mình nó to hơn bình thường phải chỉnh cỡ chữ đến 4 nó mới nhỏ như bình thường Còn trang giấy thì kéo mãi mới hết Như vậy là làm sao để hết

x-2020/12+x-2020/20+x-2020/30+x-2020/42+x-2020/72= 16/9

III. Fill in the blanks with the given words. (2.5 points) (Would disappear wrong common cough feel slight symptoms take headache) Lan: Good morning! Doctor: Good morning! Take a seat, please! What's (1) ……………..with you? Lan: Yes, I have a (2) ………..and a stomachache. I (3) …………..very tired. Doctor: Well, I need to (4) ………….your temperature first. Lan: OK. Doctor: (5) ……….you open your mouth, please? Thanks! That's is 39oC. You have a (6) ……….fever. Do you have a runny nose, coughing, and sneezing ? Lan: Yes, I (7) …………………..very much. Doctor: All right. You catch the (8) …………cold. Don't worry. Your cold will last for a few days and then (9) ……….itself. I will give you some medicines to relieve the (10) …………… Lan: Thank you! IV. Rewrite the following sentences using “had better”. (2.5 points) 1.I advise you to brush your teeth at least twice a day. 2.Linh shouldn’t stay up too late. 3.You should do morning exercise regularly. 4.She has a headache. I advise her to take some aspirin. 5.You shouldn’t make such a noise in hospital.

Ngọc mua 1quyển truyện va 1 cái bút hết tất cả 40.000 đồng. Biết rằng giá tiền 1 quyển truyện bằng 3/5 giá tiền 1 cái bút. Hỏi giá tiên quyển truyện và cái bút là bao nhiêu?

I. Choose the word which has the underlined part pronounced differently from that of the other. (1.25 points) 1.A. climb B. able C. brave D. suburb 2.A. weak B. wealthy C. peanut D. measles 3.A. cooked B. brushed C. danced D. needed 4.A. cousin B. catch C. circus D. culture 5.A. painted B. joined C. preferred D. stayed II. Choose the best answer. (3.75 points) 1.My aunt tells us a lot ________you. A. of B. about C. at D. on 2.Wash vegetables and fruit before ________. A. cooking and eating B. to cook and to eat C. cook and eat D. cooking and eat 3.- ________ do you brush your teeth? – Twice a day. A. How much B. How often C. How far D. How long 4.My neighbor, Mrs. Mai, bought the material and ________ the dress for me. A. does B. made C. did D. makes 5.She made a cushion and a dress. The cushion was fine. But the dress ________. A. was B. isn't C. wasn't D. aren't 6.We ________ Cham temples and Tri Nguyen Aquarium. A. visited B. looked C. came D. went 7.Helen is always afraid ________ dogs. A. off B. with C. of D. by 8.I bought a lot of ________ for my friends, in America. A. presents B. gifts C. souvenirs D. All are correct 9.She will be back ________ a few minutes. A. in B. on C. at D. about 10.– I have a cold.– You’d better ________out. A. go B. not go C. to go D. not to go 11.________ is a condition of the body when it is too hot because of illness. A. Fever B. Cold C. Cough D. Headache 12.She is 145 centimeters ________. A. tall B. heavy C. old D. high 13.How ________ is Nga ? – She is 36 kilos. A. high B. weight C. heavy D. much 14.________ noodle for dinner last night? A. Did you eat B. Were you eat C. Did you ate D. Do you ate 15.Hung and his brother ________ at home yesterday. A. didn’t are B. wasn’t C. weren’t D. not were

Cho a,b,c là các số thực thoả mãn 4a+5b+7c=0.Chứng mình phương trình sau luôn có nghiệm trong [-1;1] ax^4+bx^2+c=0

Cho y=3sinx+2cosx. Tính giá trị biểu thức A=y”+y là:

Nêu lệnh tạo biểu đồ và ưu điểm của việc biểu diễn dữ liệu trên trang tính bằng biểu Đồ

IV. Chọn đáp án đúng để điền vào mỗi chỗ trống trong đoạn văn sau. (2.5) Who read? All kind of people: the old, the (1) ______, everyone. And why do people read? For (2) _________ variety of reasons. Some for pleasure, and some for (3) ________ because they have to. And when do people (4) ________? Well sometimes not often, (5) _______ other people read all the time, day and (6) _______. But the most important question is what do (7) _______ read? Adverts? Stories? Science books? Maps? It can (8) _______ anything! Ask your family and your friends all these (9) ____. Then make your own answers (10) ______ who read, what, why, and where. 1.A. young B. younger C. youngest D. more young 2.A. a B. an C. the D. Ø 3.A. other B. others C. person D. people 4.A. write B. do C. read D. play 5.A. and B. as C. so D. but 6.A. time B. night C. minute D. day 7.A. he B. she C. person D. people 8.A. have B. do C. be D. make 9.A. question B. questions C. answer D. answers 10.A. at B. to C. of D. with V. Viết lại câu dùng những từ đã cho. (1.5 điểm) 1.Let’s play soccer. What……………………………………………? 2.Why don’t we read this comic? Let's………………………………………………. 3.When is your birthday? What……………………………………………….? 4.I'd like to see a film. How about……………………………………….?