3) Cho hợp chất 2 nguyên tử X liên tiếp 3 nguyên tử. PTK của hóa chất này nặng gấp khí H₂ là 30 lần

a. Tìm PTK của hóa chất

b. Tìm tên,kí hiệu hóa học X

c. Tìm hóa trị của X

Văn, kể về 1 lỗi lầm của em khiến thầy cô buồn

IV. Rewrite the following sentences as directed (2ms)

    27. Do you mind if I go out with my friends at night?

Would you mind if ________________________________________________

28. "Is Ha Long Bay a wonder of the world?" Ann said

 Ann asked____________________________________________________

29. They decorated their house for the Tet holiday last weekend.

      Their house_______________________________________________________

     30. Lan / like/ learn /English.____________________________________________

II. Choose the best answers. (3ms)  

9. The festival was ___________________in the communal house yard.
     A. designed B. met C. organized        D. started

10.It’s difficult to find ____________________at busy times in Da Lat.
       A. accommodation B. waterfalls  C. mountains        D. resorts

11.The cup of coffee kept him ___________________all night.
      A. alone           B. aloud  C. awake         D. asleep

12.Angkor Wat was _____________________built for Hindus.  
      A. immediately           B. gradually  C. traditionally         D. originally

13.He is _____________________forgetting his homework.
      A. always B. often   C. never         D. usually

14.Liz is interested in the _____________________contest.
      A. rice-cooked    B. rice-cooking              C. cooking-rice         D. cooked-rice

15.Would you ____________________waiting here for a moment ?
         A. like B. please     C. let         D. mind

16. I don’t know how ____________________the game.
        A. to play B. played     C. play         D. playing

17. Mrs. Thoa was cooking ____________________Tuan arrived home.
        A. because B. when      C. while        D. since

18. Six people from each team will participate ____________________this contest.
        A. to B. with      C. in        D. for

19. Last night I … television when the phone rang.

         A. watched            B. was watching          C. have watched       D. watches

20. Will you pick me … after the party?

          A. up                       B. on                            C. over                     D. through  

I. Choose the word whose underlined part is pronounced differently from that of the others:(1m)

      5.  A. these B. thank C. this D. their

      6   A. started  B. decided  C. visited  D. helped

         7.  A. diet                                         B. disappear                       C. fill                                    D.  drill

      8.  A. no                                      B. note                               C. son                     D. go

III. Reading comprehension: Choose the words or phrases that best fit the blank spaces. 2ms

Ha long Bay

Ha Long  Bay of the Descending Dragon – is very .....(24)..... with both Vietnamese and .....(25)..... tourists. One of the .....(26)..... of Ha Long is the Bay’s .....(27)..... water and limestone mountains. The Bay’s water is clear .....(28)..... the spring and early summer. Upon arriving .....(29)..... Ha Long City, visitors will go along to Chay Beach. From the beach, visitors can hire .....(30)..... and go out to the Bay. It is here that visitors will find some of Southeast Asia’s most .....(31)..... sites. Dau Go Cave is one of the most beautiful .....(32)..... at Ha Long. It was the cave in which General Tran Hung Dao hid .....(33)..... stakes to beat the Mongols on Bach Dang River in 1288.

24. A. familiarly B. famous C. popular D. friendly

25. A. nation B. nationality C. international D. national

26. A. attractions B. places C. spaces D. sites

27. A. running B. noisy C. going D. calm

28. A. when B. during C. as D. while

29. A. in B. to C. on D. at

30. A. a boat B. a ship C. a ferry D. a yacht

31. A. beautiful B. beautifully C. beautifulness D. beauty

32. A. places B. areas C. caves D. regions

33. A. wood B. wool C. wooden D. woolen

em hãy đặt lời mới cho bài lí dĩa bánh bò

em hãy đặt lời mới cho bài lí dĩa bánh bò 

em hãy đặt lời mới cho bài lí dĩa bánh bò