I know how animals can have a very positive impact1 ____ your life, so a few weeks 2____ I decided I wanted to do something special in return. I started a club at school, working closely with the animal shelter in our community. We help them raise money for pet food and we also display pictures of animals for adoption. In addition to these 4 ____, we offer students 5____ opportunities to visit the animals in the shelter. I wish we had 6 ____ more members in the club. If there are 7____ more among us, we can look for 9____ more animals needed. 9 ____ is the place for anyone in our 10____ club who wants to make a difference.

Một vật nặng 200kg .a) Hỏi ba người có kéo được vật nặng đó lên cao được không? Tại sao? (Biết lực kéo của mỗi người là 500N).b) Nếu cho phép sử dụng 1 ròng rọc động. Hỏi với lực kéo trên có kéo được vật nặng đó lên không? Tại sao

(5-x)(x-1)(2+3x) ≤ 0 

giải bất pt

Dùng Passive Voice chuyển các câu sau 

1. They have said that London has fog in autumn.

2. Someone says that their parents are away from home.

3. They expect that the strike will begin tomorrow.

4. People think that he is holding a book in his hand.

5. They believed that the wanted man was living in New York.