Peter is in a restaurant.

- Waiter: “Are you ready to order?” - Peter “____”

A. Yes, I'm ready. What's the order?

B. Yes, I like giving orders to other people

C. Yes, I'd like to start with the salad, please.

 Tom is talking to Daisy about her trip to Vietnam.

- Tom: "Hey  Daisy. How was your  trip to Vietnam?"  - Daisy: “ ____ ”

A. I went there on my own.

B. Oh, great. I had a nlce time.

C. I slept all the tlme on the plane.

 Barbara is at the clinic.

- Barbara:  “Can I make an appointment  to see a doctor,  please?”  - Receptionist: “____”

A. Not at the moment. He can’t be disturbed.

B. OK, let me just check my diary.

C. Have a seat and I will be with you in an hour.

1. Two friends Cindy and Peter are talking about Peter's tennis game.

- Cindy: “I thought your tennls game was a lot better today, Peter.”

- Peter: “____. I thought it was terrible.”

A. It’s alright

C. My pleasure

B. Never mind

- Mai: “Our living standards have been improved greatly”- Susan: “____"

A. Thank  you  for saying so.

B. Sure. I couldn’t agree more.

C. No, it's nice to say so.

John was in Hanoi and wanted to send a parcel to his parents. He asked  a local  passer-by  the way to  the post-office.

- John:  “Can you show me the way to the nearest post office, please?”

- Passer-by: “_____”

A. Not way, sorry.

B. Just round the corner over there.

C. Look it up in a dictionary!                                                

D. There’s no traffic near here.

- “Why did Jesse leave the  party so early?”  - “ ____ ”

A. You don't say.

B. Why not?

C. Beats me.                                                

- “Let's take the tent.”  - “ ____ ”

A. Don't!

C. How about paying by cash?

B. Of course, not!

 Mrs Smith and her students are visiting the zoo.

- Mike: "Can I feed the gorilla, Mrs Smith?"

- Mrs Smith: ”____ The sign says 'No feeding the animals'."

A. Of course you can

C. I'm sure about that

B. I don't think it works

  Mary and John are meeting at the cinema.

- Mary: ”Hi, John. How are you?” - John: ”____. And you?”

A. Fine, thanks

B. I'm thirty-five years old

C. I'm free today                                                

David and his teacher are meeting at the school gate.

- David: "Good morning, Mr Deakin. How are you?" - Mr Deakin: "____. And you?"

A. I'm busy now

B. I'm fine. Thank you

C. I'm going home                                                

  Linda is thanking Daniel for his birthday present.

- Linda: "Thanks  for the book. I've been  looking for it for months." Daniel: "____"

A. You can say  that again

B. Thank you for looking for lt

C. I like reading books                                                

D. I'm glad you like it

  Jenny and her teacher are meeting at the bus stop.

- Jenny: ”Good  afternoon,  Miss. How are you?” - Teacher: ” ____. And you?”

A. I'm golng home      

B. I'm leaving now            

C. I'm thirty years old      

   Liz is telling Andrew about her first novel.

- Liz: "Guess what? My first novel has just been published." - Andrew: "____"

A. It's my pleasure.

B. Congratulations!

C. Better luck next time!                                                

D. It's very kind of you.

Two close friends Tom and Kyle are talking about Kyle’s upcoming birthday. Select the most suitable response to complete the exchange.

- Tom:  “Can I bring a friend  to your birthday  party?”  - Kyle: “____”

A. It’s my honour.      

B. Let’s do it then.                

C. The more the merrier.

A waiter in a restaurant is talking to a customer who has just finished his meal there. Select the most suitable response to complete the exchange.

- Waiter: “Here’s your bill, sir.” - Customer: “____”

A. Don't mention it.                                            

B. Can I pay by credit card?

C. What  do you have?                                                

Ken and Tom are high-school students. They are discussing where their study group will meet. Select the most suitable response to fill in the blank.

- Ken: “Where is our study  group going to meet next  weekend?” - Tom: “___"

A. We are too busy on weekdays.

B. The library would be best.

C. Why don’t you look at the atlas?                                                

 Mike and Lane are university students. They are talking about Lane’s upcoming high-school reunion. Select the most suitable response to fill in the blank.

- Mike:  “So,  you have your  fifth high-school  reunion coming  up?” - Lane: “____”

A. Oh, the school reunion was wonderful.

B. The food at the reunion was excellent.

C. Yeah. I’m really looking  forward to it.        

Mike and Lane are university students. They are talking about Lane’s upcoming high-school reunion. Select the most suitable response to fill in the blank.

- Mike:  “So,  you have your  fifth high-school  reunion coming  up?” - Lane: “____”

A. Oh, the school reunion was wonderful.

B. The food at the reunion was excellent.

C. Yeah. I’m really looking  forward to it.        

Minh, a student from Hai Phong, is going to take the college entrance exam in Hanoi next week. His father is seeing him off at the railway station. Select the most suitable response to fill in the blank.

- Dad: “Good  luck with the exam, Minh!”  - Minh: “____ , Dad.”

A. By no means          

B. Thank you                          

C. I wish so                            

Jane had difficulty carrying her suitcase upstairs, and Mike, her friend, offered to help. Select the most suitable response to fill in the blank.

- Mike: “Need  a hand  with your suitcase, Jane?” - Jane: “____”

A. Not a chance.

B. That’s very kind of you.

C. Well done!                                                

D. I don’t believe it.

So sánh: 200920 và 2009200910

$$\begin{gathered} 1) y=\frac{\tan 4x}{\cos 4x+\sin 3x} \\ 2) y=\sqrt{\frac{2+\sin x}{{\tan }^{2}x}} \end{gathered}$$
Mọi người giúp em với ạ, em xin cảm ơn!

Có bao nhiêu giá trị thực của tham số m để hàm số y=|$x^2$+mx+1| trên [-1;2] đạt giá trị nhỏ nhất bằng 1?

Cho tam giác ABC có AB=3cm,AC=4,5cm,BC=6cm.tam giác DEF có DE=12cm,EF=9cm,DF=6cm.

C/minh ABC đồng dạng FDE.

Phong trào công nhân từ sau cách mạng 1848 – 1849 đến năm 1870 có nét gì nổi bật?

Nêu kết cục phong trào đấu tranh của công nhân ở các nước châu Âu trong nửa đầu thế kỉ XIX.

Vì sao giới chủ lại thích sử dụng lao động trẻ em?

Những sự kiện nào chứng tỏ đến giữa thế kỉ XIX, chủ nghĩa tư bản đã thắng lợi trên phạm vi toàn thế giới?

Sự phát triển của cách mạng công nghiệp ở Pháp, Đức được thể hiện ở những mặt nào?

Nêu kết quả của cách mạng công nghiệp ở Anh.

Vì sao vào giữa thế kỉ XIX, Anh đẩy mạnh sản xuất gang, thép và than đá?