Viết 1 đoạn văn bằng tiếng anh nói về chủ đề space travel

1, the accident happened because he was negligent in his driving

as a result of...............

2, he lost his job because the management had been changed

owing to.........................

3, because she bahaves well, everybody loves her

on acount of.......................................

4, since I can't read russian, I have had to have the documents translated in to French

because of.........................................................................

5, they got high pay because the worked well

they got high pay because of.................

6, because of not hearing the speaker, I moved to the front row

because.........................

7, In spite of her telling the truth, the policeman didn't believe her

eventhough............................

8, because there were the obstacles, the building didn't go along as planted

because of.......................................

giải pt

\(\sqrt{5x-1}-\sqrt{3x+13}=\frac{x-7}{3}\)

giải pt

(4x-1)\(\sqrt{x^2+1}=2x^2+2x+1\)

giải pt

x\(^2\)+\(\sqrt{x+1}\)=1

giải pt

\(4\sqrt{x+3}=1+4x+\frac{3}{x}\)

\(\frac{\sqrt{x}+1}{x\sqrt{x}+x+\sqrt{x}}:\frac{-1}{-x^2+\sqrt{x}}\)

rút gọn

\(\sqrt{x+3}=4x^2+5x-1\)

giải pt

cho tam giác ABC vuông tại A. Từ B dựng đoạn BD về phía ngoài tam giác ABC sao cho BD=BC và góc CBD bằng góc ABC. Gọi I là trung điểm CD; AI cắt BC tại E

a) CM: tứ giác ABIC nội tiếp và góc CAI bằng góc DBI

b) CM: tam giác ABE cân tại B

c) cho AB=5; CD=3; BC=6. Tính AE

\(\frac{x+2}{\sqrt{x}+1}+\frac{x-3\sqrt{x}+2}{x-1}\)

rút gọn