I. Choose the word whose underlined part is pronounced differently from the others. (1,0pt) 1. A. rack B. math C. snack D. library 2. A. important B. library C. physics D. middle 3. A. late B. date C. bank D. cake 4. A. how B. house C. hat D. hour II. Choose the best answer from the four options given (marked A, B, C, or D) to complete each sentence. (2,0pts) 1. ….................is your family name? – It’s Nguyen. A. Where B. What C. When D. How 2. In ….............................we learn about books and write essays. A. Physics B. Math C. Literature D. History 3. Let’s ….............................to Huong’s house. A. come B. comes C. coming D. to come 4. She has…............................books than Linh. A. most B. many C. much D. more 5. They often…...........................hard on the farm. A. work B. to work C. works D. working 6. He….....................................a vacation next week. A. have B. has C. having D. will have 7. Hoa’s brother is a …............................ He repairs cars in a garage. A. journalist B. writer C. mechanic D. farmer 8. My birthday is …....................................July 15th. A. in B. on C. at D. from III. Choose the best sentence which is rewritten from the given one. (2,0pts) 1. That book is very interesting. A. What a interesting book! B. What a book interesting! C. What an interesting book! D. What interesting a book! 2. That house is expensive. But Mr. Ha’s house is more expensive. A. Mr. Ha’s house is not as cheaper that house. B. Mr. Ha’s house is not more expensive than that house. C. Mr. Ha’s house is the cheapest house. D. Mr. Ha’s house is more expensive than that house. 3. bookstores/ front/ park A. The bookstores is in front of the park. B. The bookstores are in front of the park. C. The park is front of the bookstores. D. The park are in front of the bookstores. 4. can/ tell/ how/ stadium? A. Can you tell me how to get to the stadium? B. Can you tell me the way how to the stadium? C. Can you tell me how to the stadium? D. Can me tell you how to get to the stadium? IV. Give the correct form of the verbs (2,0pts) 1. He always (get) .............................. up late. 2. Let’s (go) ................................ to the beach. 3. She enjoys (read) ............................ book. 4. They (listen) ........................................... to music now. V. Choose the word (A, B, C or D) that best fits each of the blank spaces. (1,0pt) The students of class 7A enjoy different ….(1)…. after school hours. Acting is Nga’s favorite pastime. She is a member of the school theater group. At present, her group …(2).. a play for the school anniversary celebration. Ba is the president of the stamp collector’s club. On Wednesday afternoons, he and his friends get together and talk …(3).. their stamps. If they have any new stamps, they usually bring them to school. Ba’s American friend, Liz, …(4)… him a lot of American stamps. 1. A. activity B. activities C. act D. action 2. A. rehearse B. rehearses C. to rehearse D. is rehearsing 3. A. with B. to C. about D. in 4. A. gives B. needs C. gets D. buys VI. Read the passage carefully then answer the questions. (2,0pts) Hoa’s father, Mr.Tuan, is a farmer. He works more hours than Tim’s father. He usually starts work at six in the morning. He has breakfast, then he feeds the buffalo and chickens and collects the eggs. From nine in the morning until four in the afternoon, Mr Tuan works in the fields with his brother. They grow some rice, but their main crop is vegetables. From twelve to one o’clock, Mr Tuan rests and eats lunch. At four in the afternoon, they come back home. Mr. Tuan feeds the animals again. Then he cleans the buffalo shed and the chicken coop. His work usually finishes at six. Four or five times a year when there is less work, Mr.Tuan takes a day off. He goes to the city with his wife. A farmer has no real vacations. 1. Where does Mr. Tuan work? ..................................................................................................................... 2. When does he feed the animals? ..................................................................................................................... 3. Do they grow vegetables in the field? ..................................................................................................................... 4. How many days off does Mr.Tuan take a year?

Giúp mình với 😢 Hứa sẽ cho ctlhn và 5 sao+ cảm ơn ạ 😢

Cho luồng khí Clo qua dung dịch Kali bromua một thời gian dài hiện tượng quan sát được là :Dung dịch có màu nâu, có khí màu đỏ nâu thoát ra. Tại sao dung dịch có màu nâu ?

I. Choose a word which underlined part has the different spelling with the others (1m) 1. A clocks B. pens C. rulers D. boards 2. A bread B mean C team D people 3. A bad B tall C sad D happy 4. A near B hear C read D year II. Choose the best answer for each of the following sentences (4ms) 1. Some students have portable CD players with small ………….. A. headphones B. cell phones C. telephone D. earphones 2. Hoa’s friend is interested ........... writing letters A. in B. on C. for D. at 3. American students take part ………. different activities at recess. A. on B. in C. at D. to 4. I am ………….. my math homework. A. do B. does C. doing D. to do 5. Her group is ……………… a play for the school anniversary celebrations. A. rehearsing B. playing C. doing D. talking 6. What’s your …………. subject, Lan? - I like History. A. favorite B. popular C. famous D. like 7. Her date of birth is ............ November tenth. A. at B. on C. in D. of 8. How ....... is it from the hospital to the bus stop? A. long B. high C. often D. far III . Read the passage carefully. Then answer the questions. (2.5ms) The Vietnamese students take part in different activities after school. Some students play sports. They often play soccer, table tennis or badminton. Sometimes they go swimming in the swimming pools. Some students like music, drama and movies. They often practice playing musical instruments in the school music room. They join in the school theater group and usually rehearse plays. Some are members of the stamp collector’s club. They often get together and talk about their stamps. A few students stay at home and play video games or computer games. Most of them enjoy their activities after school. 1/ Which sports do some Vietnamese students often play? ………………………………………………………………………………… 2/ Where do they go swimming? ………………………………………………….…………………………………………. 3/ Do some students collect stamps? ……………………………………………………..………………………………………… 4/ Where do some students often practice playing musical instruments? …………………………………………………………………………. 5/ Do Vietnamese students enjoy their activities after school? …………………………………………………………………………. IV/ Supply the correct form or tense of the verbs in the brackets. (2 ,5ms) 1. Why don’t you (go) ………………..go to the zoo? 2.The students (do) ………………… some experiments at the moment. 3. He enjoys (play) ……………………. the guitar. 4. Let’s (skip) ……………………… rope. 5. What about (rehearse) ………………. a play? giúp vs đag cần gấp

Giải bài 8 câu c hộ mình nha vẽ hình luôn

Giải bài 8 câu b hộ mình và vẽ hình nha

giải thích hiện tượng bằng kiến thức áp suất đã học lớp 8 không chép trong sgk !

Giải bài 8 câu a và vẽ hình hộ mình nha

I. Circle the best answer Câu 1 :Would you like.......................to the movie theater with me? A. go B. going C. goes D. to go Câu 2 : …………..is it from your house to school? – About two kilometers A. How far B. How long C. How high D. How Câu 3 : Lan’s birthday is ……………..Friday, December 20th. A. at B. in C. on D. for Câu 4 :………….an awful restaurant! A. which B. who C. where D. what Câu 5 : What about.....................to music? A. listen B. to listen C. listens D. listening Câu 6 : Mary enjoys …………..the piano . A. play B. plays C.to play D. playing II. Read the text bellow and do the request: (2,5 ms) His name is Nam. He is a president of the stamp collector’s club. On Monday morning, he and his friends get together and talk about their stamps. If they have any new stamps they usually bring them to school. Nam’s American friend, Peter, gives him a lot of American stamps so he often brings them to his school to introduce them to his friends. 1.answer 1. The stamp collector’s club meets each other on Monday afternoon. 2. Nam has a lot of American stamps. 3. What is his name? ............................................................................................................... 1. Who gives Nam American stamps? .................................................................................................................. 1. Is Nam the present of the collector’s club? ............................................................................................................. III. Arrange these words to make sentences. (1,5ms) 1) Hoa/ interested/ is/ in/ always/ music/. / ................................................................................................................... 2) does/ How many/ Mai/ classes/ today/ have/ ?/ ............................................................................................................ 3) to/ music/ listen/ Let’s/. / .............................................................................................. IV. Listen to the passage and tick the best option (A, B,C or D) to complete the sentences. (2,0 ms) 1) Ba ……………. to Nguyen Du school. A. goes B. go C. going D. to go 2) He is in class ……….. A. 6A B. 7A C. 7 D. 6 3) His favorite subject is …………………………… A Music B. History C. English D. Electronics 4) He is good at ……………………………………. A. singing B. playing soccer C. fixing things D. learning V. Choose the word whose underlined part is pronounced differently from that of the other words in each group.(1,0 m) 1. A. chicken B. coach C. orchestra D. change 2. A. meat B. reader C. overseas D. realize 3. A. horrible B. hour C. hundred D. hold 4. A. much B. drug C. future D. buffalo

Cho tam giác ABC có G là trọng tâm và một duong thắng d không cắt cạnh nào của tam giác. Từ các đinh A, B, C và trọng tâm G ta kẻ các đoạn AA', BB', CC' và GG' vuông góc với dưong thăng d. Chứng minh hệ thức: AA'+ BB' +CC' = 3GG'.