\(\sqrt{\dfrac{3+\sqrt{5}}{2}}=\sqrt{\dfrac{6+2\sqrt{5}}{2}}=\sqrt{\dfrac{\left(1+\sqrt{5}\right)^2}{2}=\dfrac{1}{2}+\dfrac{\sqrt{5}}{2}}\)

36km/h=10m/s chọn mốc là vị trí xe bắt đầu hãm phanh
Ta có 02-102=2.a.100 =>a=-0,5m/s2
Vị trí của xe sau 10s hãm phanh cách mốc một khoảng là S=10.10-1/2.0,5.102=75m
Vận tốc sau khi hãm phanh được 10s là v=10-0,5.10=5m/s

biện pháp tu từ được sử dụng trong câu trên là so sánh. ví sự hỗn láo của en-ri-cô như một nhát dao cứa vào trái tim của người bố.

tác dụng: nhấn mạnh được sự tức giận của người bố, đó là điều không thể nén lại đế cho en-ri-cô hiểu được giá trị của tình thương yêu của mẹ

tác giả đã sử dụng những từ ngữ vô cùng đặc sắc và sinh động để so sánh cho câu văn giàu cảm xúc và ý nghĩa hơn.

Bpss???

1. A
2.B
3.B
4.A
5.B
6.C
7.C

1. had scored
2. would have won
3. would have cried
4. had been
5. had been
6. would have run
7. had seen
8. would have caught
9. would have played
10. had trained
 

1. It was raining. They cancelled the trip to Trang An.
⇒ Since it rained, they canceled the trip to Trang An. 
2.  The tourists wanted to buy some silk. They want to Van Phuc village.
⇒ Because the tourist went to Van Phuc village, they wanted to buy some silk.
3.  We need an umbrella. It is raining heavily outside.
⇒ We need an umbrella since It is raining heavily outside.

Ex1:
1. don't have
2. can't
3. didn't meet/ didn't remember
4. went/ got drunk
5. doesn't have
6. didn't go/ didn't wake
7. tall
8. didn't/ didn't
9. met
10. didn't call/ wasn't

II. Put the verbs in brackets into the correct form.

1. I enjoy (play)…playing……………….. football with my friends.

2. I (go)…………will go……………………… swimming with you tomorrow.

3. They hate (paint)……painting…………… but they like (swim)……swimming…………………….

4. I think I (move) …………will move……………..to the city next year.

5. My sister likes (cook) ……cooking………….very much. She can cook many good foods.

6. Every year, my mother (give)…………gives……. me a nice doll on my birthday.

7. She loves (do)…………doing…………………. the gardening.

8. Do you think you (meet)………will meet……….. Hoa this weekend?

9. We (go)………go………………….. to the cinema three times a month.

10. My hobby is (collect)………collecting………….. stamps

11. What you (do)…do you do………………………. in your free time?

12. Hoa (continue)…………will continue………………….. this hobby in the future.

13. I don’t think we (have)……………will have…………… free time.

14. My brother (listen)………listens………………… to music every day.

15. Nga (share) …………Does Nga share……………………..this hobby with anyone?

16. I think (make)………making……………………. models is interesting.

17. I find (carve)………carving…………………….. wood boring

18. They (give)…………will give……………………. a party next week.

19. We (live) …live…….near Nam’s house , but we (not see)………don’t see……….. him very often.

20. Don’t worry. I (go) ……am going to go …………..fishing with you next Saturday morning.

2. We all find painting interesting because it’s a creative activity.

→ We all think painting is interesting because it's a creative activity.

3. His hobby is collecting toy cars.

→ He collects toy cars as his hobby.

4. It isn’t necessary to finish the work today.

→ You don’t need to finish the work today.

5. When did you start your hobby?

→ How long have you started your hobby?

6. It took me three hours to make this pottery jug.

→ I spent three hours making this pottery jug.

7. My father likes to do gardening at the weekend.

→ My father enjoys doing gardening at the weekend.

8. Why don’t we go swimming this afternoon?

→ What about going swimming this afternoon?

9. Sue started to eat a low carb diet two years ago

=> Sue has eaten a low carb diet for 2 years

10. Could you take me to the airport Friday morning?

=> Would you mind taking me to the airport Friday morning?

11. How about going to the movie tonight?

=> Let's go to the movie tonight.

12. July stayed home from school yesterday because she had a high fever

=> July has had a high fever, so she stayed home from school yesterday.

13. She eats fruits and veggies every day, but she keeps gaining weight

=> Although she eats fruits and veggies every day, she keeps gaining weight.