he is driving so fast he may endanger other_____
A viewers    B road users    Cdriving licence    D seatbelts

Hãy giải thích

1. Although she was ill, she went to school.

- In spite of her illness, she went to school.

2. He didn’t come because he was sick.

- He didn’t come because of his sickness

3. She didn’t eat much though she was hungry.

- Despite her hunger, She didn’t eat muc

4. The train was late because the fog was thick.

- Because of the thick fog, The train was late

5. I accepted the job although the salary was low.

- In spite of low salary, I accepted the job

6. The plane couldn’t take off because the weather was bad.

- Because of the bad weather, The plane couldn’t take off b

7. She stayed at home because her mother was sick.

- Because of her mother's sickness, She stayed at home

1. We delayed our trip because of the bad weather.

2. Sue's eyes were rad because  she had been crying.

3. My mother is always complaining because of the untidiness of my room.

4. The water in most rivers is unsafe to drink because it's polluted

5. The trees were bent over because of the wind.

6. You can't enter this secure areas because  you don't have an official permit.

7. It's unsafe to travel in that country because of the ongoing civil war.

8. Several people in the crowd became ill and fainted because of the extreme heat.

9. Mark didn't go to work yesterday because he didn't feed well.

10. We couldn't get into the disco  because of the enormous crowd.

Cho các đa thức sau: P(x) = x3 + 3x2 + 3x - 2 và

a) Tính P(x) + Q(x)

b) Tính P(x) - Q(x)

c) Tìm nghiệm của đa thức H(x) biết H(x) = P(x) + Q(x)

Cho đa thức f(x) = ax³ + 2bx² + 3cx + 4d, (a ≠ 0) với a, b, c, d là các số nguyên. Chứng minh không thể tồn tại f(7) = 72 và f(3) = 42.