Nguyên hàm của hàm số  f x = x 2 - 3 x + 1 x  là:

A.  x 3 3 - 3 x 2 2 + ln   x + C

B. x 3 3 - 3 x 2 2 + 1 x 2 + C

C. x 3 - 3 x 2 + ln   x + C

D. x 3 3 - 3 x 2 2 - ln x + C

Find the word which has a different sound in the part underlined.

A. classmate

B. bathroom

C. lamp

D. attic

It was no accident that he broke my glasses. He did it _______ purpose.

A. with

B. on 

C. by 

D. about