23,How heavy is the chicken?

-> What is the weight of the chicken?                                                                                   24, What is your daughter’s age ?

-> How old is your daughter?

25, He is a careful driver.

-> He drives carefully.

26, Long is a bad swimmer.

.-> Long swims badly.

27,My brother cycles slowly

-.> My brother is a slow cyclist.

28, Mr Cuong plays table tennis well.

-> Mr Cuong is is a good table tennis player.

.29, Mrs Chi is a quick typist.

-> Mrs Chi types quickly.

30,Thoa sings smoothly.

-> Thoa is.a smooth singer.

31,Miss Lan is a fast runner.

-> Miss Lan runs fastly.

32,Mr Hung is a safe driver.

-> Mr Hung drives safely.

33, Minh’s sister dances marvellously.

-> Minh’s sister is a marvellous dancer.

34, Mrs Oanh cooks well.

-> Mrs Oanh ia a good cook.

35, Khanh is a fluent English speaker.

-> Khanh speaks English fluently.

36,My school has thirty classrooms.

-> There are thirty classrooms in my classroom.

37, Literature interests my brother a lot.

-> My brother is interested in Literature.

38, Nam likes staying at home than going to the zoo.

-> Nam prefers staying at home to going the zoo.

39, Let’s visit the beautiful Khmer temples of Angkor Wat this summer.

-> How about visiting the beautiful Khmer temples of Angkor Wat this summer?

40, Listening to music at home is more interesting than going to the concert.

-> I prefer listening to music at home to going to the concert.

41, we đin't enjoy the trip because of the heavy rain.

->the heavt tain prevented us from enjoying the trip.

42, You shouldn’t drink too much coffee.

-> You’d like to drink too much coffee.

43,He is a slower and more careful driver than I am.

-> He drives slowly and carefully than I do.

-Hoang / be / my classmate

.-> Hoang is my classmate.

- He/ be/ 13/ year/ old.

-> He is 13 years old.
- He / be /one meter 45 centimeters / tall .

-> He is one meter 45 centimeters tall
- We / usually / play/ sports / our free time . 

-> We usually play sports in our free time.

- He / be / skillful / badminton player .

-> He is a skillful badminton player.
- But / he / prefer / play / soccer . 

-> But he prefers playing soccer.

Điện phân dung dịch HCl với điện cực trơ, màng ngăn xốp. Trong quá trình điện phân, pH của dung dịch thay đổi như thế nào ?

A. tăng lên. 

B. tăng lên sau đó giảm xuống.

C. không đổi. 

D. giảm xuống.

Diện tích hình phẳng giới hạn bởi y = x 3 ; y=4x là:

A. 8

B. 9

C. 12

D. 13