Part 2. Supply one suitable word.

26. People often sleep at …………….     

27. There are ……………. months in a years.   

28. The first working day in a week is …………….

29. ……………. is the first season in Vietnam.

30. There are seven days in a …………….

Part 3. Fill in each of the blanks with a preposition.

31. The post office is not far ……………. my house.   

32. Mrs. Lien said you could reach her ……………. 8 603 312. 

33. Snow is falling all ……………. the country.

34. I’ll come to see you ……………. 8 a.m. and 10 a.m.

35. She doesn’t like travelling ……………. night.

Part 4. Choose the best option among A, B, C, or D provided to complete each of the questions.

36. We are looking forward to ……………. you again soon.

            A. see                         B. seeing                    C. saw                        D. seen

37. My father usually helps me ……………. English.

A. to learn                  B. lean                        C. learning                 D. A and B

38. The Moon goes round the Earth, …………….?

            A. isn’t it                    B. did it                      C. does it                    D. doesn't it

39. The weather is ……………. bad for the children to play outside.

A. very                       B. too                         C. so                           D. all

40. He can ……………. ride a bike nor drive a car.

A. either                     B. such                       C. both                                   D. neither

41. - Peter: “Can borrow your phone, Ha?”                     - Ha: “…………….…………….”

            A. Me too.                 B. Congratulations! C. Here you are.       D. Thanks a lot.

42. John’s grades are ……………. than his sister’s.

A. higher                    B. more high             C. high                                   D. the highest

44. - John: “I didn’t pass my driving test.”                      - Anna: “…………….…………….!”

A. Better luck next time                              B. So poor   

C. Congratulations                                       D. That was nice of them

44. He agreed to go climbing ……………. he hated heights.

           A. although               B. in case                   C. since                      D. because

45. No one can predict the future exactly. Things may happen ……………..

A. expected               B. unexpectedly       C. unexpected                       D. expectedly

Part 5. Choose ONE word (marked A, B, C, or D) that doesn’t belong to the topic of the three.

46. A. novel              B. newspaper            C. magazine              D. notebook

47. A. turtle               B. tiger                       C. elephant                D. monkey

48. A. farmer             B. doctor                    C. letter                      D. nurse

49. A. listening         B. fishing                   C. reading                  D. writing

50. A. running                       B. jogging                  C. walking                 D. working

Part 1. Read the passage and choose the best answer among A, B, c, or D.

       Many tourists like to send postcards to their friends and family. They send them when they are (51) ……………. holiday. These postcards often (52) ……………. pictures on one side and a message can be written on the other. The pictures on them are better (53) ……………. the photos they take. The first postcards were sent at the end of the nineteenth century. There (54) ……………. a picture of a town on them. Later on, they had pictures showing important events. People liked to see them because there were not (55) ……………. pictures in the newspapers then. 

51. A. in                     B. at                            C. on                           D. for

52. A. have                B. had                         C. has                         D. to have

53. A. then                 B. than                        C. that                                     D. them

54. A. are                   B. be                           C. was                        D. been

55. A. much               B. more                      C. most          

Trình bày nguyên nhân gây phát sinh thể ba nhiễm? Cho ví dụ minh hoạ

Cho một khối lượng mạt sắt dư vào 100 mL dd HCl. Sau phản ứng thu được 4.958 L khí (đktc).

a. Viết PTHH ?

b. Tính khối lượng mạt sắt tham gia phản ứng?

c. Tính nồng độ mol của dd HCl đã dùng?

MỘT BIẾN TRỞ CÓ ĐIỆN TRỞ LỚN NHẤT LÀ 20 ÔM.DÂY ĐIỆN TRỞ SUẤT 1,1.10-6 TIẾT DIỆN 0,5 MM2 ĐƯỢC QUẤN ĐỀU QUANH LÕI SỨ CÓ CHU VI 62,8M, TÍNH SỐ VÒNG DÂY CỦA BIẾN TRỞ.