Question 4: Mary left home to start an independent life. She realised how much her family meant to her.
A.Only when Mary realised how much her family meant to her did she leave home to start an independent life.
B.To realise how much her family meant to her, Mary decided to leave home to start an independent life.
C.Not until Mary had left home to start an independent life did she realise how much her familymeant to her.
D.Mary left home to start an independent life with a view to realising how much her family meant to her.
Question 5: Kate completed her higher education. She then decided to travel the world before getting a job.
A.Without completing her higher education, Kate decided to travel the world before getting a job.
B.Given that Kate decided to travel the world before getting a job, she completed her higher education.
C.Having completed her higher education, Kate decided to travel the world before getting a job.
D.Kate had scarcely travelled the world before getting a job when she completed her higher education.

1. According to the report, the driver of the car was a policeman. (BEING)
According to the report, the __________________________________by a policeman.
2. Today's meeting is postponed and it will be held next week. (PUT)
Today's meeting has _____________________________________until next week.
3. There's no chance of Jenny getting here on time. (POSSIBLE) It won't be _________________________________________________here on time.
4. In my opinion, these two kinds of music are completely different from each other.(COMPARISON )
In my opinion, there is ___________________________________these two kinds of music.
5. We discussed the problem but nobody had a solution. (CAME)
We discussed the problem but ______________________________with a solution.

1. Had/ it / not/ for / mother/ encouragement/, / she/not/ have /enter/ beauty contest./
2. She/ quite/ definite/ came /up / their /expectation./
3. Apart/ Mary / every /students/ be/ present / class./
4. Little/ the police /suspect /that/ judge /was/ murder./
5. Could/ you/ keep/ eye /on/ handbag/ while / I /go/ the toilet?/

I. Rewrite the following sentences using the word given so that it has the same meaning as the original one.
1. The cinema was practically empty. There was hardly_____________________________________________________
2. The house has got everything except a large garden. The only thing_______________________________________________________
3. Although he works hard, he cannot earn enough. Hard______________________________________________________________
4. Alan was not a confident person, and that was why he was so shy. Alan’s______________________________________________________________
5. Jack is proud of the fact that he is never late. Jack prides himself___________________________________________________
6. It’s very kind of you to give me a lift. I appreciate _________________________________________________________ 7. Although he wasn’t experienced, he got the job. Despite______________________________________________________________
8. My mother lives a long way from the supermarket. There isn’t___________________________________________________________
9. It is cheaper to send things by sea than by airmail. It costs _____________________________________________________________
10. He delayed writing the book until he had done a lot of research. Only when___________________________________________________________

1 gen có 3000 Nu , trong đó A=600
a, tính số NU từng loại của gen là bn?
b, Xác định chiều dài của gen?
c, Khi gen trên tham gia tổng hợp phân tử ARn đã lấy từ mtrg tế bào BN NUcleotit?

Cà độc dược có bộ NST là 2n=24.Có 5 hợp tử của cá độc dược đều nguyên phân 3 lần bằng nhau.Xác định
a, số tế bào con đc tạo ra?
b.Giả sử các tế bào đang ở kid sau quá trình nguyên phân thì tổng số NSt trong tế bào là bn?
c, Tổng số nST có trong TB con là bn?