Xác định từ hoặc cụm từ có phần gạch dưới cần phải sửa để trở thành
câu chính xác:
19. The armchair (A) is (B) in the living-room among (C) the television and (D) the sofa.
20. Hoa wants (A) going (B) to West Lake Water Park (C) this Sunday (D).
* Chọn từ có phần gạch chân được phát âm khác với những từ còn lại:

21.

A. injure

B. kill

C. sink

D. knife

22.

A.watched

B.phone

C.looked

D.missed

* Chọn từ có trọng âm khác với những từ còn lại :

23.

A.character

B. semester
C
orphanage

D. festival

24.

A. generous

B. sociable

C. volunteer

D.plentiful

II. Read the passage carefully, then do the tasks below. (2pts)
(Đọc đoạn văn cẩn thận sau đó làm các bài tập bên dưới.)
I have a little notebook. I always have it with me. I try to fill one page a day. Sometimes I
put words in groups, like fruit – all kinds of fruit. You know? Or colors, or clothes, or things
and the shop where you buy them. I have some grammar pages, where I write regular verbs,
or irregular verbs, or a page of prepositions. I think prepositions are difficult, you know – on
Sunday, in the morning, listen to a concert – but you say phone someone. In my language
we say “phone to someone”.
1. Check the boxes True (T) or False (F):
a) The writer always has a little notebook with her.
b) She sometimes puts words in topics

c) She puts groups of colors, or clothes, or fruit, or groups of things and the shop where she
buys them together.
d) She also has a page of prepositions because she thinks they are easy.

2. Answer the questions:
a) How many pages does she try to fill a day?
’ ________________________________________________________________.
b) What does she write on grammar pages?
’ ________________________________________________________________.
c) How do you study vocabulary?
’ ________________________________________________________________.
d) What do you think is the most difficult in studying English?
’ ________________________________________________________________.
III. Complete the following sentences using the words given.(1pt)
(Hoàn thành các câu sau sử dụng những từ đã cho)
1. His brother / not / tall / play basketball.
2. We / work / for this company / 20 years.
3. The red dictionary / expensive / as / the blue dictionary.

1.Một con lắc lò xo dao động điều hòa với tần số là x=8cox(4π+π/2)cm. Chu kì tần số là
2,Một chất điểm dao động điều hòa với với chu kì 0,125s . Thì tần số của nó là

1. [BĐT]. Cho tam giác ABC. Gọi M là trung điểm của AB, D là trung điểm của BC, N là điểm thuộc AC
   sao cho CN = 2NA
   a) $\underset{\mathrm{KD}}{\to }=\frac{1}{4}\underset{\mathrm{AB}}{\to }+\frac{1}{3}\underset{\mathrm{AC}}{\to }$

17. You ____________ to eat more, you are far too thin.
A. ought
B. should
C. must
D. can
18. Nam’s father ____________ him how to ride a bike six years ago.
A. teach
B. teaches
C. has taught
D. taught
giúp mình với mình đg cần gấp ạ :((?

tìm đạo hàm : 

e ) $y = \frac{x}{x^2+1}$

f) y = $x.\sqrt{2x-1}$

Exercise 3: Rewrite the sentences, use the words given:

1. People use this dictionary very often.

This dictionary............................................................

2. They gave Mary this present an hour ago.

Mary.......................................................................

3. Someone has repaired this telephone.

This telephone............................................................

4. We must finish the project on time.

The project................................................................

5. They had to cancel the flight because of the bad weather.

The flight....................................................................

6. They held the 22nd SEA game in Vietnam in 2003.

The 22nd SEA Game........................................................

7. They are interviewing the president on the TV at the moment.

The president....................................................................

8. They deliver the post twice a day.

The post..........................................................................

9. She will open this letter.

This letter.........................................................................

10. They were repairing the traffic lights at 10 o’clock yesterday.

The traffic lights..................................................................

Give the correct form of the verbs in brackets in passive or active :

11. I’m sorry. I (not finish) this work yet.

12. You (see) any good films recently?

13. How many cups of tea (drink) yesterday?

14.Poems as well as plays (write) by Shakespeare?

15. These books (just buy) from the store.

Tìm đạo hàm : $\frac{x-1}{4-3x}$

1.Một con lắc lò xo dao động điều hòa với tần số là x=8cox(4π+π/2)cm. Chu kì tần số là
2,Một chất điểm dao động điều hòa với với chu kì 0,125s . Thì tần số của nó là

3,Một chất điểm dao động điều hòa với tần số là 4Hz. Thì chu kì của nó là 
4. Một chất điểm dao động điều hòa trên một quỹ đạo thẳng dài 10cm, biên độ dao động của vật là

5.Một chất điểm dao động điều hòa.Có quãng đường đi được trong một chu kì là 16 cm, biên độ dao động của vật là 

I. Complete each of the following sentences by circling the best option A,
B, C or D.
1. I ____________ a letter from my old friend last week.
A. sent
B. gave
C. received
D. took
2. When were you born? – I was born ____________ November 1997.
A. in
B. on
C. at
D. during
3. Don’t come in. Pleased wait ____________ for your turn.
A. inside
B. downstairs
C. outside
D. upstairs
4. Our friends ____________ meet us at the airport tonight.
A. are
B. are going to
C. go to
D. will be to
5. The children ____________ are going to plant trees and flowers in the school garden and
water them every afternoon after school.
A. themselves
B. ourselves
C. herself
D. themself
6. I know you worked really ____________ this semester.
A. hardly
B. good
C. bad
D. hard
7. The sun ____________ in the east.
A. rise
B. set
C. sets
D. rises
8. Martina has been a professional tennis player ____________ 1994.
A. since
B. for
C. on
D. in
9. ____________ have you known Jane? – For three years.
A. What
B. How many
C. How long
D. How far
10. The water wasn’t ____________ in.
A. clear enough to swim
B. enough clear to swim
C. clear enough for swimming
D. enough clear for swimming
11. I really love ____________ shoes. It’s relaxing!
A. clean
B. cleans
C. to clean
D. cleaning
12. We got ____________ in the woods.
A. lot
B. lost
C. loss
D. lose
13. His parents are always proud ____________ him because he always studies well.
A. about
B. on
C. of
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D. with
14. Last week, her ____________ was out of order and Mrs. Quyen had to wash her
family’s clothes with her hands.
A. shower
B. washing machine
C. kitchen sink
D. iron
15. Mr. Brown is 50 years old; Mrs. Brown is 50 years old.
Mr. Brown is ____________ Mrs. Brown.
A. same age
B. same age as
C. the same age as
D. different from
16. My grandfather used ____________ us to the zoo when he was alive.
A. take
B. took
C. taking
D.to take
giúp mình bài này với, mình đang cần gấp!!!!!!!!!!!