- Tính nồng độ phần trăm của dung dịch: VD; + Hòa tan 20 g NaOH vào 150g nước. tính nồng độ phần trăm của dung dịch thu được. + Tính nồng độ phần trăm của 150 g dung dịch NaCl có chứa 50 g NaCl. - phân loại, gọi tên các hợp chất : oxi, axit, bazo, muối: Vd: Gọi tên và phân loại các chất sau: CaO, CuO, HCl, H3PO4, H2SO4, NaOH, Ca(OH)2, CaCO3, CuSO4, NaCl. - bài toán xác định lượng chất dư khi 2 chất phản ứng với nhau: vd: Cho 26 gam kẽm vào dung dịch chứa 36,5 gam axit clohiđric (HCl). a) Viết phương trình hóa học phản ứng xảy ra ? b) Chất nào còn dư sau phản ứng, khối lượng dư là bao nhiêu gam? c) Tính thể tích chất khí H2 sinh ra sau phản ứng (ở đktc) ? - tính chất hóa học của hidro oxi, điều chế oxi, hidro - cách nhận biết axit, bazo băng quì tím - Tính chất hóa học của nước.

Task 2. Write a complete postcard from the following sets of words and phrases. You can make all the necessary changes and additions. ​Dear Mom and Dad, 1. I/ have / wonderful time/ Sydney. => ……………………………………………………. 2. weather/ be/ lovely,/ so/ go/ beach/ most of the time. => ……………………………………………………….. 3. people/ this city/ be/ friendly/ helpful. => ………………………………………………………. 4. yesterday/ I/ visit/ my History teacher’s house;/ and she/ have/ big farm/ lots of sheeps. =>………………………………………………………. 5. next Sunday/ I/ buy/ some souvenirs/ you and my sister. =>………………………………………………………… See you both soon. Love, ​David.

Task 1: Complete the sentences using the suggestions 1.It/ be/ not/ easy/ answer/ these questions. ……………………………………………………………………………………………………. 2.you/ tidy/ the bedrooms/ yet ? . ………………………………………………………………………………………………? 3.She/ ask/ me/ if/ I/ can/ speak/ English. ……………………………………………………………………………………………………. 4.Golden Gate Bridge/ open/ 1937. ……………………………………………………………………………………………………

Task 1: Complete the following passage. Then answer the questions below Christmas cards traditional under festival Christmas is the biggest…(1)………….. of the year in most western countries. Celebrations start propety on December 24, Christmas Eve, although there have been several weeks of prepapration beforehand . The Christmas tree and all the presents , food, drinks and decorations have been bought ……(2)……………… have already been sent to friends and relatives. About a week before Christmas people usually decorate the Christmas tree with electronic lights, various colored decorations and an angel on the top . Family presents are usually put ..(3)……………….the Christmas tree. Christmas Day , December 25 , is the biggest day of the holiday. On the Christmas morning (often very early) , children open the presents that are in their socks. Many families go to the church. The ..(4) ……………… Christmas dinner consists of roast turkey with potatoes and various vegetables. Task 2: Answer the questions: 1. When is the Christmas tree decorated? ……………………………………………………………………………………………………. 2. What is on the top of the Christmas tree? …………………………………………………………………………………………………... 3. Do children often open their presents on the Christmas Eve? ………………………………………………………………………………………………….. 4. What do people have for the Christmas dinner? ……………………………………………….................................................................................

Part II: Reading 1 Vietnam’s New Year is celebrated according to the Lunar calendar. It is officially known as Tet. It begins between January twenty-first and February tenth. Vietnamese people usually make preparations for the holiday several weeks beforehand. They tidy their houses, cook special food, clean and make offerings on the family altars. On the New Year’s Eve, People sit up to midnight to see the New Year in, then they put on new clothes and give one another the greetings of the season. Tet lasts ten days. The first three days are the most important. Vietnamese people believe that how people act during those days will influence the whole year. Task 1: Read the passage and decide True or False …….1. Tet is also called Lunar New Year. …….2. Tet usually occurs in late January or early February. …….3. Vietnamese people make preparations for Tet several months beforehand. …….4. Vietnamese people believe that they will have good luck on the first three days of Tet. Task 2: Read the passage again and answer the questions 1. Is Vietnam’s New Year celebrated according to the Lunar calendar ? ............................................................................................................................................... 2. What do Vietnamese people prepare before Tet ? .............................................................................................................................................. 3. Why are the first three days the most important ? ...............................................................................................................................................

Task 1. Choose the best answer 1. Tom loves …….. soccer A. plays B. played C. playing D. play 2. Sydney Opera House……..in 1973 A. completed B. complete​ C. is completed​D. was completed 3. It was a …….. contest A. cooking rice B. rice cooking C. rice cook D. ricing cooked 4. He asked me if I ………. play tennis A. can B. could C. may D. must 5. The girl ……. next to me is a new comer A. sitting B. sit C. sat D. sits 6. Many people want ……….. the time machine A. to see B. saw C. see D. seeing 7. Do you mind .............. me a hand with this bag ? A. give B . giving C. to give D. to giving 8. He asked me ............... a driving licence A. if I have B . whether I have C. If I had D. If I have had 9. They ................... each other for a long time. A. know B. knew C. have known D. knowing 10. The old lamp ............... in China is five dollars A. make B . makes C. to make D. made 11. The pyramid of cheops is one of the seven………………..of the world. A. pyramids B .temples C. landmarks​ D. wonders 12. Ha Long Bay is recognized ………………..UNESCO as a World Heritage Site A. by B . of C. toward D. for

Task 3: Write the second sentences so that it has a similar meaning to the first 1 “ Do many tourists visit Phong Nha cave every year” ->Lan asked me ……………………............................................................. 2. Traveling around Viet Nam is very interesting. ->It is ……………………………………............................................…... 3. Please don’t smoke in the kitchen. -> Would you mind………………………………………………………………………? 4. “ Is Ha long Bay in Quang Ninh province, Nga ?” Nhi asked -> Nhi asked……………………………………………………………………………… 5. It is a contest in which participants have to make a fire. -> It’s a …………………………………………………………………………………… 6. Can you carry my luggage, please ? -> Would you mind …………………............................………………? 7. They have built a new hospital in my neighborhood. -> A new hospital......................................................................................... 8. They are going to repare my house next Sunday . ->I am going ………………………………………………………………….. 9.He has finished his homework . ->His …………………………………………………………………………. 10.“ Are you doing your homework now .?” he said to his friend . ->He asked ……………………………………………………………………… 11. the test should be checked carefully before handing in -> you ……………………………………………………………………….. 12. We haven’t met him for two years . ->The last time ………………………………………………………………… 13. Don’t open the door please . -> Would you mind ………………………………………………………………….. 14. people say this exercise is difficult for you . -> It is said …………………………………………………………………………… 15. My friend took my suitcase to the airport . -> I had ……………………………………………………………………………..\ 16.Is the BigBen in LonDon?”. My brother said to me. ->My brother asked…………………………………………………………….. 17. My mother said:“ I will buy you a new coat tommorrow ’’ -> My mother……………………………………………………………………​ 18. “ Do you know HaLong Bay? ’’Nam asked Tuan. ->Nam asked…………………………………………………………………… 19. My teacher asked me:“ Can you speak English well? ’’ -> My mother…………………………………………………………………… 20.“ Can you tell me the way to the post office ? “ he said to me -> He told ……………………………………………………………………..

golden gate bridge/ open /1937

She/ask/me/if/i/can/speak/english