Một gen có 3600 nuclêôtit, có hiệu số nuclêôtit loại G với loại nuclêôtit khác chiếm 10% tổng số nuclêôtit của gen. Số liên kết hidro bị phá vỡ khi gen nhân đôi 4 lần là

A. 4680

B. 70200

C.  74880

D.  57600

1.I was invited to her birthday party last week.

2.The concert hall are so crowded that I can't see hearing nothing.

3.It is very kind of you to make friend with me.

4.Could you tell me the best way to learn new words?

5.She will travel to the North because she has a three-week vacation.

6.She has to do housework all day after her mother died.

7..I hasn't seen him since we left our school.

10.An English-speaking Contest will be hold by Nguyen Hue School next month.

11.The stranger was requested to leave the meeting.

12.All the dinner have been eaten since they finshed the conversation.

20.Why wasn't the roof mended before it fell in?

21.The policeman is said soon to die of cancer.

22.We are thought to being used too much electricity.

23.Millions of ton of rice are exported by Viet Nam every year.

24. Vietnamese people's Lunar New Year Festival is celebrated around January and February.

25.We are always advised to study harder by our teacher on the second term.

26.Over 5000 employees are employed by the Library of Congress in the USA.

27. Special Chinese Fried Rice is being made in the kitchen by my mother now.

35.This building of bricks, stones and cement has been built.

36.The report about polluted environment has been typed by Nga for 2 hours.

37.The ballpoint pen was invented by brothers Lazlo and George Biro.

38.The window was broken and some money was took away by the boy.

39.The tree was cut in the garden yesterday.

40.A huge picture was painted to raise fund for the poor children by the artist.

28.His pictures are being painted by Mr.Tam with his patience.

29.A new film called ''Ghost of Georgia'' is being planned to see.

30.The World Cup games is being broadcasted all over the world.

31.The cupcake is being cut by Mary with a sharp knife.

32.Flight 202 has been delayed from Miami by bad weather.

33.The Teacher's Day largely has been celabrated since 1982.

34.Human's life has been completely changed by science and technology.

mấy câu cuối mk tải ảnh về ko đủ nên vẫn chưa lm dk, bn thông cảm nha!!!

mk đang vội ik hk, bn có thể tự lm nha