Kết quả của phép tính (-4) . (-25) là: (Chỉ được chọn 1 đáp án)A.29 .B.-100 .C.-29 .D.. 100

Khi mã hóa số 5 thành dãy kí hiệu 0 và 1 thì số 6 được mã hóa thành? (Chỉ được chọn 1 đáp án)A.110B.101C.111D.100

Việc chia sẻ ảnh động vật hoang dã cho các bạn cùng xem thuộc hoạt động nào trong quá trình xử lí thông tin? (Chỉ được chọn 1 đáp án)A.Thu nhận thông tinB.Lưu trữ thông tinC.Xử lí thông tinD.Truyền thông tin

Để tìm kiếm thông tin về virus Corona, em sử dụng từ khóa nào sau đây để thu hẹp phạm vi tìm kiếm? (Chỉ được chọn 1 đáp án)

A.Virus Corona

B."Virus Corona”C.“Virus” + ”Corona”D.Corona

A. Yes, I would B. I don’t want to C. Not at all. D. Yes, please

9. At Tet, we ________ our homes with trees and flowers.

A. paint B. decorate C. celebrate D. hang

10. Go ________ ahead, then turn right at the first corner.

A. past B. to C. straight D. away

Put the verbs in brackets in the correct tense form.

1. He (drive)___________ to the office every day.

2. she (learn) ___________English now?

3. Be quiet! We (study)___________ in the library.

4. At break time, I (go) to the library and (read)___________ some books.

5. you (like) ___________this film?

Mark the letter A, B, C or D to indicate the sentence that has a completed meaning by using the words/ phrases given.

1. Going/car/ fast/ going/ bicycle.

_______________________________________

2. There/ be/ post office/ at/ corner/ street.

_______________________________________

3. You/ mustn’t/ forget/ take/ necessary things/ your trip.

_______________________________________

4. Living/ city/ exciting/ living/ countryside.

_______________________________________

5. Can/ you/ tell/ way/ Ben Thanh Market?

_______________________________________

ĐÁP ÁN

Mark the letter A, B, C or D to indicate the word whose underlined part differs from the other three in pronunciation.

1 - B; 2 - D; 3 - A; 4 - C; 5 - C;

Mark the letter A, B, C or D to indicate the correct answer to each of the following questions.

1 - B; 2 - C; 3 - C; 4 - A; 5 - C;

6 - D; 7 - B; 8 - A; 9 - B; 10 - C;

Put the verbs in brackets in the correct tense form.

1. He (drive)_____drives______ to the office every day.

2. Is she (learn) _____learning______English now?

3. Be quiet! We (study)_____are studying______ in the library.

4. At break time, I (go) __go_____ to the library and (read)_____read______ some books.

5. Do you (like) ____like_______this film?

Mark the letter A, B, C or D to indicate the sentence that has a completed meaning by using the words/ phrases given.

1 - Going by car is faster than going by bicycle.

2 - There is a post office at the corner of the street.

3 - You mustn’t forget to take necessary things on your trips.

4 - Living in the city is more exciting than living in the countryside.

5 - Can you tell me the way to Ben Thanh Market?

Mark the letter A, B, C or D to indicate the word whose underlined part differs from the other three in pronunciation.

1. A. special B. spring C. she D. sugar

2. A. creative B. think C. big D. idea

3. A. arrive B. quickly C. historic D. city

4. A. mothers B. centers C. aunts D. cousins

5. A. bread B. baby C. pen D. ball

Mark the letter A, B, C or D to indicate the correct answer to each of the following questions.

1. I’d like _____ milk, please.

A. any B. some C. a D. an

2. Our teacher is a (n) _________ person. She rarely gets angry with us.

A. independent B. curious C. patient D. impatient

3. We________ say our wishes to grandparents at Tet.

A. mustn’t B. should be C. must D. shouldn’t

4. There ____ any noodle left for you.

A. isn’t B. aren’t C. is D. be

5. January 1st is a day when people in Europe and America__________ New Year.

A. see B. remember C. celebrate D. spend

6. Children in my hometown often ________ volleyball on the beach in summer.

A. do B. play C. have D. study

7. I’m going to talk about some __________ wonders of Vietnam.

A. nature B. natural C. naturally D. nation

8. Lan: "Would you like some coffee?"

Nam: "________"

A. Yes, I would B. I don’t want to C. Not at all. D. Yes, please

Bai 1: a.Xác định số OXH của Cl và Mn trong các hợp chất sau: Cl, HCl, HC1O, KMNO4, K,MnO4, MnCl,, Mn b.Xác định số OXH của Fe, Cr, N, S trong các hợp chât sau: FeO, FeCl3, FeO4, Fe,O3, K,Cr,O7, CrCl3, Cr,(SO4)3, HNO,, H,SO4, H,S, Na,SO4