Cảm ơn trước ạ :3

Khi nói về đặc điểm của một số đại diện lớp Cá, có bao nhiêu phát biểu sau là đúng?
I. Cá chép thụ tinh ngoài, thường đẻ với số lượng trứng lớn (15 - 20 vạn trứng).
II. Cá đuối sống ở tầng đáy, có vây bung to, đuôi nhỏ, bơi kém.
III. Cá nhám sống ở tầng mặt, đuôi khỏe, bơi yếu.
IV. Lươn chui rúc vào trong bùn, vây bụng và vây ngực phát triển.
V. Cá ngựa phóng ra một đàn con nhỏ, tuy nhiên chúng vẫn đẻ trứng và thụ tinh ngoài 

A. 2

B. 3

C. 4

D. 5

16C

17D

18B

19A

20D

34. Sue has eaten a low fat diet for 2 years

35. Although she eats fruits and vegetables every day, she keeps gaining weight

36. Walking is not as fat as cycling

37. It crossed his mind that he might have misunderstood her

38. Tom asked Maryam if she was going to visit her aunt the next day

1. Studying online makes me really exhausted and I can't absorb much because there are so many distractions on the Internet. Once, I spent the entire Math lesson reading manga and when the teacher suddenly called me, I was like ;-; uh,.. left the meeting and said my network had been down. Honestly, after that, I felt really guilty for having not told the truth and having not concentrated on learning. ^{but the manga is so addictive :<}

2. This school year is a completely new experience for me, as I have just moved to NTT Secondary School for several months and have studied online since then. So, when I go back to school, I will have to meet new friends, new teachers, and I am a bit nervous about it