B nha

Chọn B nhé
Lần sau e lưu ý đăng bên môn toán để được trợ giúp nhanh hơn nhé

Tiền tố (tiếng anh : prefix), còn gọi là tiếp đầu ngữ, là một phụ tố được đặt trước một từ.Thêm tiền tố vào một từ làm thay đổi ý nghĩa của từ đó. VD : unhappy

----Were---- you born in January?

------Were-- you born in January?

1. Kelly: I think people are too concerned about having the most modern (modern) cell phones. Cell phones contain some of the rarest (rare) minerals on Earth, but many people just throw their old cell phones away when they buy a new one. This is one of the worst things (one of the / bad / thing) you can do! But if you recycle your old cell phones, it’s one of the best things (one of the / good / thing) you can do.

2. Amir: My cell phone is the most important thing (important / thing) I own. It’s the most convenient place (convenient / place) I have to keep information.

3. Brad: My new cell phone is a piece of junk! It was the least expensive (not expensive) phone in the store. What a mistake! Also, the salesperson in that store was one of the least helpful salespeople (not helpful / salesperson) I’ve ever spoken to.

1. Kelly: I think people are too concerned about having (1) the most modern

(modern) cell phones. Cell phones contain some of (2) the rarest

(rare) minerals on Earth, but many people just throw their old cell phones away when they buy a new one. This is (3) one of the worst things

(one of the / bad / thing) you can do! But if you recycle your old cell phones, it’s (4) (one of the / good / thing)one of the best things you can do.

2. Amir: My cell phone is (5) (important / thing)the most important thing I own. It’s

(6) (convenient / place) the most convenient I have to keep information.

3. Brad: My new cell phone is a piece of junk! It was (7)

(not expensive) not the most expensive phone in the store. What a mistake! Also, the salesperson in that store was one of (8) one of the most unhelpful salespeople (not helpful / salesperson) I’ve ever spoken to.

1 A

Bạn cung cấp thêm dữ liệu bài đọc còn lại nhé

Ta có: 90 phút = 1 giờ 30 phút = 1,5 giờ

1,5 giờ gấp 1 giờ số lần là: 1,5: 1= 1,5 (lần)

Trung bình mỗi giờ người đó đi được số km là:

6,6: 1,5= 4,4 (km)

Đ/S: 4,4 km

giải

dổi : 90 phút =1,5 giờ

tốc độ trung bình trong 1 giờ của người đó là

v=\(\dfrac{s}{t}\)=\(\dfrac{6,6}{1,5}\)= 4,4 (km/h)

vậy...

Bạn hỏi thế ai b

môn j vậy bạn

Yes,I do
No,I don't

Someone hit the headmaster when he was going to his car