K
Khách

Hãy nhập câu hỏi của bạn vào đây, nếu là tài khoản VIP, bạn sẽ được ưu tiên trả lời.

5 tháng 12 2021

Tính chất Vật lí: 

+ Trạng thái (rắn, lỏng, khí, ...); mùi, màu, vị

+ Tính tan

+ Nhiệt độ nóng chảy, nhiệt độ sôi

+ Tính dẫn điện, dẫn nhiệt

VD: Nước là chất lỏng không mùi, không vị; sôi ở 100 độ C; có tính dẫn nhiệt

Tính chất hóa học:( sự biển đổi chất tạo ra chất mới)

+Tính chảy

+Khả năng bị phân hủy...

VD: Đốt than đá màu đen tạo thành khí carbon dioxide; không quan sát được bằng mắt thường.
Chuk bạn hokk tốt nha!!

9 tháng 12 2021

A

9 tháng 12 2021

B

12 tháng 5 2021

1. A

2. A

3. C

4. C

5. B 

3 tháng 7 2021

1) I played soccer last monday 

I difn't play soccer last monday 

?) Did you play soccer last monday ? 

2) We watched a soccer match last night 

We didn't watch a soccer match last night 

?) Did you watch a soccer match last night ? 

3) They listened to music 2 days ago 

They didn't listen to music 2 days ago 

Did they listen to music 2 days ago ? 

4) He sent me an email last week

 He didn't send me an email last week

Did he send you an email last week ? 

5) She told her mother a lie 

 She don't tell her mother a lie 

Did she tell her mother a lie ? 

3 tháng 7 2021

EX1: Chia động từ ở quá khứ đơn

1. I (play) soccer last Monday

+) i played soccer last Monday

-)  i didn't play soccer last monday

?) Did you play soccer last monday ?

2. We (watch) a soccer match last night.

+) we watched a soccer ....

-) we didn't watch a soccer....

?) Did you watch a soccer ..... ?

3. They (listen) to music 2 days ago

+) They listened to music.....

-) they didn't listen to music.....

?). Did they listen to music .... ?

4. He (send) me an email last week

+) he sent me an email....

-) he didn't send me an email .....

?) did he send you an email ..... ?

5. She (tell) her mother a lie

+) she told her mother....

-) she didn't tell her mother...

?did she tell her mother ....?

( Phần in đậm là đáp án )

Câu: 1

Mr. Smith is .......... English teacher.

A. our

B. us

C. we

D. you

Câu: 2

As a teenager, George spent summers abroad ……… the business.

A. to learn

B. learn

C. learning

D. learnt

Câu: 3

The sun ......... in the east, and sets in the west.

A. rise

B. rises

C. rose

D. rosen

Câu: 4

We were early enough .......... good seats.

A. to get

B. get

C. getting

D. got

31 tháng 12 2018

mọi người phải trả lời đúng mới được k nha

I. Choose the word whose underlined part is pronounced differently from that of the others in each group.1       A. kite  B. kit  C. hide  D. light2       A. fold  B. hold  C. fond  D. show3       A. file   B. bit     C. tip      D. sip4       A. town  B. cow  C. show  D. found5        A. knight  B. night  C. five  D. skipII. Choose the best answer to complete each of the following sentences.1. She is the ___________ in her class.A. intelligentB. more...
Đọc tiếp

I. Choose the word whose underlined part is pronounced differently from that of the others in each group.

1       A. kite  B. kit  C. hide  D. light

2       A. fold  B. hold  C. fond  D. show

3       A. file   B. bit     C. tip      D. sip

4       A. town  B. cow  C. show  D. found

5        A. knight  B. night  C. five  D. skip

II. Choose the best answer to complete each of the following sentences.

1. She is the ___________ in her class.

A. intelligent

B. more intelligent

C. most intelligent

D. the most intelligent

2. International School in Ho Chi Minh City is _________ school in Viet Nam with high-tech facilities.

A. the cheaper

B. the younger

C. the most historic

D. the most modern

3. Mary is the__________ in her class

A. tall

B. tallest

C. taller

 D. the taller

4. You shouldn’t drive too fast because it’s very

A. dangerous

B. boring

C. clean

D. safe

5. The life in the city is , so old people don’t like living here.

A. noisy

B. quite

C. new

D. modern

6. My grandparents live in a village. It is very

A. friendly

B. expensive

C. peaceful

D. unfriendly

7. We like eating in this restaurant because the seafood is delicious and __________

A. polluted

B. cheap

C. dirty

8. This hat is the ……………… of all

A. expensive

B. more expensive

C. cheapest

D. cheaper

 

 

1
29 tháng 6 2021

I. Choose the word whose underlined part is pronounced differently from that of the others in each group.

1       A. kite  B. ki C. hide  D. light

2       A. fold  B. hold  C. fond  D. show

3       A. file   B. bit     C. tip      D. sip

4       A. town  B. co C. show  D. found

5        A. knight  B. night  C. five  D. skip

II. Choose the best answer to complete each of the following sentences.

1. She is the ___________ in her class.

A. intelligent

B. more intelligent

C. most intelligent

D. the most intelligent

2. International School in Ho Chi Minh City is _________ school in Viet Nam with high-tech facilities.

A. the cheaper

B. the younger

C. the most historic

D. the most modern

3. Mary is the__________ in her class

A. tall

B. tallest

C. taller

 D. the taller

4. You shouldn’t drive too fast because it’s very

A. dangerous

B. boring

C. clean

D. safe

5. The life in the city is , so old people don’t living here.

A. noisy

B. quite

C. new

D. modern

6. My grandparents live in a village. It is very

A. friendly

B. expensive

C. peaceful

D. unfriendly

7. We eating in this restaurant because the seafood is delicious and __________

A. polluted

B. cheap

C. dirty

8. This hat is the ……………… of all

A. expensive

B. more expensive

C. cheapest

D. cheaper

18 tháng 2 2020

1. Nhung is shorter than Phuong.
2. Ha Noi is bigger than Hai Phong.
3. This bag is heavier than that one.
4. His car is more expensive than my car.
5. This food is better than that food.

18 tháng 2 2020

1. Nhung is shorter than Phuong.

2. Ha Noi is bigger than Hai phong.

3. This bag is heavier than that one. 

4. His car is more expensive than my car.

5. This food is better than that food. 

Chúc bạn hok tốt !