Phân tử ADN có 2040\(A^o\) , mạch đơn 1 gen tỉ lệ T1 = 150nu A1= 50nu. Tính số lượng từng loại nu, số liên kết hidro và hóa trị?

xe máy ,xe khách, xe tải cùng chạy trên quãng đường từ A đến B có vận tốc lần lượt là 30km/h 40km/h 60km/h. tính thời gian mỗi xe đi biết xe tải đến trước xe khách 1h30p

1. Mary tried to keep calm although she was very disappointed.-> Despite...

2. Even though it was raining heavily, the explorers decided to coninue their journey. -> In spite of...

3. Despite his ability to do the job, he was not offered the position.-> Although...

4. He had worked very hard but he failed.-> Even though ....

5. Although Tom was a poor students, he studied very well. ->In spite of...

6. Although he often tells lies, the headmaster believes him.-> In spite of...

7. Although the weather was bad, she went to school on time.-> Despite...

8. My mother told me to go to school although I was sick.-> In spite of...

9. Although there was a big storm, they decided to leave hom. ->In spite of....

10. Tom was admitted to the university although his grades were bad. -> Despite ....

peter has a lot of woolen ... to wear in winter (scarf)

it was difficult to understand ..........the dialect ( locate)

scientists are seeking the best ways to deal with the ... impact of pullution (environment)

Chuyển câu bị động

I enjoy reading novels

I remember my father took me to the cinema to see that film

chuyển sang câu bị động

People say that Columbus discovered America

-> Columbus...

America.....

chuyển sang câu bị động theo 2 cách

People say that there is a lot of fog in London

chuyển sang câu bị đông

I got Ba to take my car to the gerage

Tìm chữ số hàng trăm của tích 5009 . 8018. 2015. 2016