. Ý nào thể hiện đúng đặc điểm địa hình vùng Bắc trung Bộ?

. Ý nào sau đây đúng nhất về đặc điểm địa hình của Tiểu vùng Đông Bắc?
 
 
 
aĐịa hình chủ yếu các dãy núi chạy theo hướng TB-ĐN.
 
 
 
bĐịa hình nổi bật với những dãy núi cao đồ sộ.
 
 
 
c.Chủ yếu là vùng núi trung bình và núi thấp với các dãy núi cánh cung.

d.Địa hình nổi bật với những vùng đồi núi thấp.

Bài 5: Cho 13 g hỗn hợp gồm Fe, Mg, Zn tan hết trong HCl a.Nếu tổng số mol 3 kim loại trong A là 0,3 mol, tỉ lệ số mol giữa Fe và Mg là 1:1 Tính % khối lượng mỗi kim loại trong A b.Dẫn toàn bộ H2 qua 80 g CuO nung nóng. Tính khối lượng chất rắn thu được sau phản ứng

Bài 3: Hòa tan hoàn toàn 26,2 g hỗn hợp Al2O3 và CuO phải dùng 49 g H2SO4 Viết các PTHH xẩy ra Xác định % mỗi chất trong hỗn hợp đầu

Dung dịch axit HCl tác dụng được với dãy chất nào dưới đây: *
0 điểm
 
 
 
A.NaCl; Ca(NO3)2 ;NaOH
 
 
 
B.AgNO3; CaCO3 ;KOH
 
 
 
C.HNO3; KCl ; Cu(OH)2
 
 
 
D.H2SO4 ; Na2SO3;KOH

Bài 5

A Tính số molHCl có trong 200 dung dịch HCL 10%

B Tính số mol H2so4 có trong 200ml dung dịch H2So4 0.2 M

Nếu hòa tan 25gm Nacl vsof 75 gam nước.Tính nồng độ cồn % dung tích thu được :)).

VI. Put the words in the correct column

dizzy, cough, headache, sick, stomachache, flu, weak, sore throat, fever, tired, spots, backache, temperature, cold .

18. The boy didn’t do the work well.
_____________________________________________________________________
19. The army will complete the project about recycling next year.
_____________________________________________________________________
20. The parents won’t punish him for breaking the vase.

12. No one will buy products with poor quality.
_____________________________________________________________________
13. They will not allow your dog to enter the museum.
_____________________________________________________________________
14. No one knows Jim and Jane’s luxury wedding.
________________________________________________

12. No one will buy products with poor quality.
_____________________________________________________________________
13. They will not allow your dog to enter the museum.
_____________________________________________________________________
14. No one knows Jim and Jane’s luxury wedding.
________________________________________________

Chuyển những câu chủ động sau đây thành câu bị động.

9. This company has sold their new products.
_____________________________________________________________________
10. At midnight, my brother and I was making a wish list.
_____________________________________________________________________
11. My mother is preparing dinner at the moment.

Chuyển những câu chủ động sau đây thành câu bị động.

7. They never mentioned Jim in their conversation.
_____________________________________________________________________
8. I will take an English text next month.
_____________________________________________________________________
9. This company has sold their new products.

Chuyển những câu chủ động sau đây thành câu bị động.
4. They reduce carbon dioxide to prevent natural disasters.
_____________________________________________________________________
5. I think we will soon use up the natural resources.
_____________________________________________________________________
6. The children water the trees every two days.

17. America ___________________ by Columbus in 1492. (discover)
18. Where is my car? It __________________ at the moment. (repair)
19. The sales department _________________ by Dr. Johnson recently. (run)
20. A new prototype ___________________ next year. (build)

14. All the halls _________________ at the moment. It will take us two three days. (paint)
15. What were we doing at 11 o'clock? - We __________________ by a reporter. (interview)
16. After the window pane ___________________, someone smashed the window again. (replace)

11. I'm sorry, sir. The last umbrellas __________________ already. (sell)
12. Where have you been so long? You _________________ to arrive so late if you worked for me. (not allow)
13. Please, be patient. The plan ________________ in the next two days. (announce)

16. This year, so far, we ____ £16,000 and are still counting.
A. are raising B. have been raised C. have raised D. raised
17. Louis Braille ____ the National Institute for the Blind in Paris when he was 10 years old.
A. entered B. was entering C. was entered D. would entered
18. In over ten years, he ____ more than 100 bicycles to needy students in Central Viet Nam.
A. gave B. has given C. has been given D. has giving
19. In the past, health care in some rural areas of this country ____ by only a small number of doctors and nurses.
A. is provided B. provided C. provides D. was provided

13“What a beautiful dress you’re wearing!” – “Thank you. It _____ especially for me by a French tailor.”
A. is made B. has made C. made D. was made
14. Last Sunday, the Youth Union ____ a campaign to help students with disabilities.
A. has launched B. launched C. was launched D. was launching
15. Recently, this group ____ an incredible scheme to raise public awareness.
A. has introduced B. had introduced C. introduced D. was introduced

“Where are Jack and Joseph?” – “They _____ the boxes you asked for into the house”
A. are bringing B. bringing C. have been brought D. to bring)
11. “Where’s the old chicken coop?” – “It _____ by a window storm last year.”
A. destroy B. is destroyed C. was destroyed D. destroyed)
12. “Diana is a wonderful ballet dancer.” – “ She _____ since she was four.”
A. has danced B. has been dance C. is dancing D. was danced
13. “What a beautiful dress you’re wearing!” – “Thank you. It _____ especially for me by a French tailor.”
A. is made B. has made C. made D. was made
14. Last Sunday, the Youth Union ____ a campaign to help students with disabilities.
A. has launched B. launched C. was launched D. was launching
15. Recently, this group ____ an incredible scheme to raise public awareness.
A. has introduced B. had introduced C. introduced D. was introduced
16. This year, so far, we ____ £16,000 and are still counting.
A. are raising B. have been raised C. have raised D. raised
17. Louis Braille ____ the National Institute for the Blind in Paris when he was 10 years old.
A. entered B. was entering C. was entered D. would entered
18. In over ten years, he ____ more than 100 bicycles to needy students in Central Viet Nam.
A. gave B. has given C. has been given D. has giving
19. In the past, health care in some rural areas of this country ____ by only a small number of doctors and nurses.
A. is provided B. provided C. provides D. was provided
20. Wait a little! Your question (discuss) ____________________ now.
A. discusses B. is discussed C. is being discuss D. is being discussed