1. My family has lunch ( at 11.30 )

What time does your family have lunch?

2. He's good at ( fixing the lights )

What is he good at?

3. It's ( a quarter past two )

What time is it?

4. She learns ( how to sing and play the piano ) in the Music class

What does she learn in the Music class?

5. You can find Math book ( on the rack inn the middle )

Where can I find Math book?

6. My father ( never ) goes jogging in the evening

How often does your father go jogging in the evening?

7. Her sister goes fishing ( twice a week )

How often does her sister go fishing?

8. He studies ( past and present events in ) Viet Nam in History

What does he study about VietNam in History?

9. Her birthday is ( on May5th )

When is her birthday?

10. Some girls are ( skipping rope )

What are some girls doing?

CTTQ: \(XO_2\)

Phân tử khối của O là:

16 . 2 = 32 (đvC)

Phân tử khối của hợp chất là:

32 . 2 = 64 (đvC)

Phân tử khối của X:

X = XO₂ - O₂ = 64 - 32 = 32 (đvC)

Vậy: X là lưu huỳnh, kí hiệu là S.

Bạn ôi Although chứ không phải Althought

1. A late is smaller than a sea.

2. This book is better than that one.

3. The weather here is hotter than the weather in my hometown.

4. A mouse is smaller than a cat.

5. The sun is bigger than a moon.

6. A radio is cheaper than a television

7. French food is better than English food.

8. Your hair is longer than my hair

9. A moutain is higher than a hill

10. A child is younger than a man.

Quên bài 5 nhỉ!

1, In spite of living in poverty, they were always admired --> Thought (sai đề)

2, Despite not having enough money, we decided to hold a party

--> Although we didn't have enough money, we decided to hold a party.

3, Despite his hard life, he studied very well

--> Although he had a hard life, he studied very well.

4, Despite their poverty, the children seemes very happy

--> Although they are poverty, the children seemes very happy.

5, The weather was bad, he went swimming --> Although the weather was bad, he went swimming.

6, He couldn't meet you because of being busy --> Because he was busy, he couldn't meet you.

7, She went to bed early because of her sickness --> Because she was sick, she went to bed early.

8, I can't buy this bike because I don't have enough money --> Because of not having enough money, I can't buy this bike.

9, She can't work hard because she is very old --> Because of being old, she can't work hard.

10, He likes her because of she is very beautiful --> Because of her beautiful, he likes her.

11,Knowing english is very useful --> It is very useful to know English.

12, Finding an apartment in a city is diffucult --> It's. very difficult to find an apartment in a city.

13, It's interesting to play soccer after school --> Playing soccer after school is interesting.

14, Reading book is very interesting --> It's very interting to read book.

15, It's very tired to stay up late --> Staying up late is very tired.

16, Working in those coditions is impossible --> It's very impossible to work in those conditions.

ta có : 112 ; 140 chia hết cho X => X thuộc UC(112;140)

112=2^4 . 7

140=2^2 . 5 . 7

=>UCNN(112;140)=2^2 . 7 =28

=>X thuộc Ư(28)={1;2;4;7;14;28}

vì 10<X<20 nên X=14

O là nguyên tố hóa học. (nguyên tử)

O₂ là đơn chất phi kim. (phân tử)

A. age.