Một chiếc ôtô với hai động cơ độc lập đang gặp trục trặc kĩ thuật. Xác suất để động cơ 1 gặp trục trặc là 0,3.Xác suất để ,có đúng 1 động cơ gặp trục trặc là 0,38. Biết rằng xe chỉ không thể chạy được khi cả hai động cơ bị hỏng. Tính xác suất để xe đi được

Giúp mk vs ạ mk cần gấp

Combine each pair of sentences using a present participle clause if possible

2. He misunderstood the direction to the restaurant. He arrived one hour late for the dinner party

3. She lives a long distance from her office. She has to commute daily by train

4. Davis lives a long distance from his office.His car is essential

5. Ann remembered that she hadn't turned off the oven. She went directly home

giúp mk vs ạ mk cần gấp. sửa lại lỗi giúp mk nhé. thanks

Một trạm phát tín hiệu đc đặt tại một điểm trên đg thẳng △: x-2y+5=0. hai trạm thu tín hiệu đc đặt tại hai vị trí A(3;2) và B(1;4). xác định vị trí đặt trạm sao cho hai trạm A và B thu tín hiệu cùng một lúc.

giúp mk vs ạ mk cần gấp

(1) trong mặt phẳng Oxy, cho điểm I(3;-1) và đường thẳng △: 3x-4y+2=0. viết phương trình đường tròn tâm I và tiếp xúc với đường thẳng △

giúp mk vs ạ mk cần gấp

Cho 15 điểm trong một mặt phẳng. Hỏi có thể lập được bao nhiêu tam giác biết rằng

a)có 3 điểm nào thẳng hàng 

b) có 6 điểm thẳng hàng

giúp mk vs ạ mk cần gấp

1. don't forget to bring some medical...........! we may need them during the trip

a. provision      b. supplies         c. sources              d. techniques

2. I didn't .......... a chance to speak to her

a. get        b. take       c. give            d. make

4. If you take food.......... with you on an ecotour, you can contribute to protect the environment         a. containers         b. boxes         c. cans         d. bottles

5............ foods are convenient as they require minimal preparation, typically just adding water or milk.       a. quick        b. instant      c. rapid         d. processed

6. i'd like to be a surgeon. I believe I can work well.......... pressure and don't ming working long hours.        a. on       b. in            c. under        d. from

9. the council has............. ideas to help manage traffic

a. come up with       b. put up with       c. made up with       d. keep up with

10, ecotourism means travel to areas of natural or ecological intrest to .......... wildlife and learn abour the environment        a. look at      b. look up    c. look into   d. look down

12. we......... in doing the washing-up, cleaning the floor and watering the flowers

a. take off        b. go on           c. hold up         d. take turns

13. If you're not sure what something means, ......... in your dictionary or use your electronix dictionary for help.        a. check up         b. look up      c. take off        d. get up

15. I have just found the book you were ........

a. looking after      b. looking for        c. standing for          d. giving up

16. In order to be successful, we should never.......... hope.

a. give up          b. turn on         c. set up          d. look after 

giúp mk vs mk cần gấp

1. Read the passage and answer the question

How has learning English adapted to online education?

One of the most important factors when learning a language is human presence- nobody can teach you a language better than someone who knows it. It is important to have a good balance between self- study exercises and live classes. Each student has specific needs when learning English between A1 and C2 level, they live and learn English in a differrent way

With online courses, we should focus on technology and innovation in education. Online learning provides interactive exercises and multimedia lessons for students to improve their grammar, vocabulary, reading, writing and speaking skills

The key strength of any online course is teachers, who guarantee the best learning experience. Teachers should be đeicated to guiding and supporting students both in one- to-one private classes or in group classes.

The current fight against the COVID-19 pandemic is something that concerns us all, therefore, it is very important to follow the guidance to stay at home. But this should not mean that we must stop learning

1. What is one of the most important factors when learning a language?

->...............

2. Why do students learn English in a different way?

->...............

3. What does online learning provide?

->..................

4. What are the purposes of online learning of English?

->.................

5. Why do teachers make online learning successful?

->....................

giúp mk vs ạ mk cần gấp

1. Complete the sentence with the correct form of the word provided

6. both Jim and Mary are looking for some information forr their........ tomorrow (present)

7. sport can be used as a......... tool to improve gender roles and build a healthy lifestyle (power)

9. technology makes it easier for learners to find information quickly and......... (accurate)

10. we love......... in discussions as it helps us share our ideas and learn from other clasmates (participate)

giúp mk vs ạ

Ex2: complete the following sentences with the correct forms of the worlds in capitals.

1. she felt unfairly........... (treat).

2. she offered me practical ........... with my research. (assist)

3. the findings of the survey apply...........to men and women (equal)

4. UNICEF aims to create............. opportunities for all children (educate)

5. if girls are khowledgeable and........... they won't choose to get married early (depend)

6. the economy of VN has achieved a high......... level since VN became a WTO member in 2007.

(grow)

7. the United Nations also works to reduce............ and improve people's lives in other ways (poor)

8. UNICEF works in over 190 countries to help improve.......... and education of children (healthy)

9. VN has also become more attractive to foreign ............ (invest)

10. UNICEF has run projects in............ fields to provide the highest possible support for children in our country  (vary)

11. when you leave school, you should have the necessary skills and ........... to work in a fast changing world. (know)

12. class.......... is a main feature of modern schools (discuss)

13. students attend school camps to make friends with other students and to develop life skills in ................. environments (familiar)

14. laptops and wireless technologies allow students to access ........... relevant to class topics immediately (form)

giúp mk vs ạ mk cần gấp (ghi từ loại giúp mk lun vs cảm ơn)