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 ?

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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

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