Một đứa bé muốn chơi đánh đu. Người mẹ đặt đứa bé ngồi trên tấm ván của chiếc đu rồi đẩy ngắn một cách tuần hoàn, theo cùng một cách. Người mẹ thấy biên độ dao động của chiếc đu ngày một tăng dần. Để đảm bảo an toàn người mẹ ngừng đẩy.

a.                   Hãy giải thích cách làm của người mẹ.

b.                   Hiện tượng đó là hiện tượng gì.

Task  1:  You  borrowed  an  important  textbook  from  a  classmate  last  term. You now realise your classmate has returned home overseas and you still have the book. Write a letter to him/her. In your letter

-         apologise for the mistake

-         find out how important the book is to him/her

-         say what you will do

Task 2: You have recently been to stay with an old friend for a few days. You hadn't seen each other for a long time. Write a letter to invite your friend to your house.

-         say how you felt about the visit, say thank you him/her

-         refer to something enjoyable that you did while staying with him/her

-         invite your friend to visit you

Task 3: You have seen an advertisement for part-time work in a hotel for three months over the summer. Write a letter to the Manager. In your letter, you should

-         say what experience you have

-         ask what the work involves

-         enquire about conditions

Task 4: You have recently ordered an item through the Internet, but are not happy with the purchase. Write to the company. In your letter/email:

-           describe what you purchased

-         explain why you are not happy with the purchase

-         tell them what you would like them to do about the situation

Task 5: One of your friends recently got married, but you missed it and forgot to tell your friend that you couldn’t attend. Write a letter to your friend. In your letter,

-        apologies for missing the marriage.

-        explain why you missed it and why you could not tell it to your friend.

promise him/her that you will see him/her as soon as possible after the wedding

Complete the sentences with the verbs in parentheses. Write if I + the past tense or the -big form of the verb. In some sentences, either response is possible, but the meaning is different.

1.  A: It's cold in here. Would you mind (close)              the window?

B: Not at all. I'd be glad to.

2.  A: It's cold in here. Would you mind (close)     the window?

B: Not at all. Go right ahead. I think it's cold in here too.

3.  A: You're going to the library? Would you mind (take)          this book back to the library for me?

B: Not at all.

4.  A: I'm not feeling well at all. Would you mind (go)     home now?

B: Oh, I'm sorry. I hope you can come back when you feel better.

5.   A: I'm not feeling well at all. Would you mind (leave) if I                    now before the visiting hours are over?

B: Oh, of course not. We shouldn't stay more than a short time for a hospital visit anyway.

6.   A: I'll be working late tonight, honey. Would you mind (cook)                   dinner tonight? I'll clean up after dinner.

B: I'd be happy to. About what time do you think you'll be home?

7.  A: We have a lot of chicken left over from dinner last night. Would you mind (make)

                          a chicken salad from the leftovers for dinner tonight? B: No, that'll be good. You make a great chicken salad.

8.  A: I'm feeling kind of worn out. Chopping wood in the hot sun is hard on me. Would you mind (finish)                                the work yourself?

B: No problem, Grandpa. Why don't you go in and rest? I'll finish up.

9.  A: Would you mind (use)                   your name as a reference on this job application?

B: Not at all. In fact, ask them to call me.

10.     A: I'd like to apply for the job as department manager. Would you mind (recommend)                                me to the boss?

B: No. As a matter of fact, I was thinking of recommending you myself.

Chỉ ra những biện pháp tu từ sử dụng trong những câu thơ sau:

Ta đi tới, trên đường ta bước tiếp,

Rắn như thép, vững như đồng.

Đội ngũ ta trùng trùng điệp điệp

Cao như núi, dài như sông

Chí ta lớn như biển Đông trước mặt!