Đúng ra, ông không uống mà ông đổ. Uống thì phải nhắp, phải chén, phải khà, phải thưởng thức cho hết chất cay, chất nồng của rượu. Còn ông với miệng vốn há hốc của ông , ông ngước mặt rồi cầm ly rượu, đưa lên cao, đổ xuống. Hình như rượu không đụng đến lưỡi, rượu đổ ngay vào đốc họng rồi tuôn thẳng vào lòng ông. Ông uống rượu mà như uống thuốc độc vậy. ( Nguyễn Quang Sáng)

a- Xác định khởi ngữ và các thành phần biệt lập có trong đoạn trích.

b- Tìm các phép liên kết câu trong đoạn trích.

Mối quan hệ giữa gia tăng dân số và phát triển xã hội ?

Vì sao người ta tách quần thể sinh vật riêng ra khỏi các quần thể sinh vật khác

\(y=\frac{x^2+\sqrt{x}}{x-\sqrt{x}+1}-\frac{2x+\sqrt{x}}{\sqrt{x}}+1\)

a) rút gọn

b) cho x > 1 c/m rằng \(y-\left|y\right|=0\)

I. Choose the best word or phrase to complete each sentence or do as directed.

1. I’m not ______________(into / at / with) classical music. It is boring to listen to it.

2. An/A ___________(expedition / trip/ excursion) is an organized journey to a place that is not easy to reach.

3. The motorway was blocked because there had been a _______(accident /pile-up/ problem)

4. What are the reasons that make Viet Nam a tourist _________(place / area / attraction) for foreigners?

5. It is good to have someone __________(lead / guide / show) you when you visit a new place.

6. Travelers who fly across the Atlantic from New York to London often suffer from _________ (jet lag / seasick / tired)

7. Choose the word whose main stress is placed differently from the others: (stimulating / imperial / admission)

8. Most tourist attractions in London charge an admission (fare / fee / ticket)

II/ Supply the correct form of the words in parentheses to complete the sentences.

1. We can have a lovely time in Hoi An without breaking the bank because things are ________________ here. (afford)

2. An obvious benefit of tourism is that it plays a key role in economic _________ (grow).

3. The hotel where we are staying is quite _______________________ (luxury)

4. Breakfast is the first meal of the day, so it is important to eat _________ things. (nutrition)

5. My brother trained to be a teacher, but then he decided to become a tour______ GUIDANCE

6. If you want to pay a more ……….. Price, remember to book the tour two weeks in advance. REASON

7. My English is a bit ………. I haven’t used it for years. RUST FLUENCY

8. My grandfather is 80 years old and he’s……………. In both French and English. SEASONAL

9. There is nothing more boring than a seaside town in the low…………

10. To make a carrot cake for four people, you need 200 grams of……………. Carrot. GRATE

11. When you place food over boiling water to cook, it means you ……………it. STEAMER

12. Someone who is going past a particular place is a …………….. by. PASS

III/ Supply the correct tense or form of the verbs in parentheses to complete the sentences.

1. All the information you need for the report ___________ tomorrow. (provide)

2. Be quick, please! If we ___________ now, we will miss the last bus. (not leave)

3. We did not go out because it ________________________________ (rain)

4. Sorry! I am late! – That’s OK. I ___________________________ long. (not wait)

IV. Write a new sentence as similar as possible in meaning to the original sentence, using the word(s) given or do as directed.

1. The car my friend has just bought is modern. (a)

- ___________________________________________________________________.

2. He needs to travel to Singapore on business. (trip)

- ___________________________________________________________________.

3. If Joe doesn’t change his way, he will end up in prison. (unless)

- ___________________________________________________________________.

4. If you eat less fast food, _____________________________. (complete the sentence)

- _____________________________________________________________________

5. If you keep eating fast food, _____________________________. (Complete the sentence)

6. Your sister is making a cake. You advise her to whisk the eggs for 10 minutes so that the cake is lighter.

- If _______________________________________________________________________

7. Study harder or you cannot get high marks.

- If ___________________________________________________________________

8. If she wants to lose weight, ___________________________. (Complete the sentence)

9. Your brother is a good eater. He’s able to eat three bowls of rice when he’s hungry. You tell this to your friend.

- If ____________________________________________________________________

10. Hurry up or we will late for school.

- If ___________________________________________________________________

Cho đường tròn tâm O, đường kính AB. Từ A và B kẻ hai dây cung AC và
BD song song với nhau,K là trung điểm của BD

a) So sánh AC và BD.
b) Chứng minh 3 điểm C, O, D thẳng hàng.
c) chứng minh:OD.AC = DK.AB

\(A=\frac{x-8}{\sqrt{x-3}-\sqrt{5}}\)

a) Tìm các giá trị của x để biểu thức A có nghĩa

b) Rút gọn và tính giá trị của A khi x = \(2\left(4,5-\sqrt{2}\right)\)
c) Tìm giá trị nhỏ nhất của A.

Dẫn 5,6 lít khí CO 2 (đktc) đi qua 150 ml dung dịch NaOH có nồng độ 2M .
Tính khối lượng các chất sau phản ứng .