1 A

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ta nhìn , hiểu ,.................

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.

(\(x\) - 1) = 2 - \(x\)

\(x-1\) = 2 - \(x\)

\(x+x\) = 2 + 1

 2\(x\)   = 3

   \(x=\dfrac{3}{2}\)

Vậy \(x=\dfrac{3}{2}\) 

1 My favorite food is pho (Vietnamese noodle soup), and my favorite drink is iced coffee
2 I usually have pho for breakfast and iced coffee in the morning or afternoon
3 I have it at local restaurants or sometimes at home
4 I usually enjoy it with family or friends
5 To make pho, you need rice noodles, beef or chicken, broth, herbs, and spices. For iced coffee, you need coffee, ice, and condensed milk
6 I like it because pho is flavorful and comforting, and iced coffee is refreshing and energizing

:((((

bnc sao ko ai rep 

               Giải:

Thời gian hai xe gặp nhau là: 10 : (12 - 4) = 1,25 (giờ)

      1.25 giờ = 1 giờ 15 phút

Vị trí hai người gặp nhau là cách điểm xuất phát của người đi xe đạp là:

          12 x 1,25 = 15 (km)

Kết luận: Thời gian hai người gặp nhau là: 1 giờ 15 phút

Vị trí hai người gặp nhau cách điểm xuất phát của người đi xe đạp là: 12,5 km

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