Cho X = { x ∈ N, 0< x < 10 }. Gọi A, B là các tập con của X sao cho:

A Ω B = { 4,6,9 }

A \(\cup\) { 3,4,5} = { 1,3,4,5,6,8,9}

C \(\cup\){4,8} = { 2,3,4,5,6,7,8,9}

Xác định các tập hợp A B

1. Find ONE word only which fits in all THREE sentences.

1.A It is essential that students develop an .....awareness... of how the internet can be used.

B There was an almost complete lack of ....awareness.. of the issues involved.

C The campaign is to raise public ..........awareness........... of the importance of eating a healthy diet.

3 câu này nằm trong phần ví dụ của từ awareness trong từ điển hết

2. A We expect John to contact me with the details of the plan but as ........YET............. we haven't heard from him.

as yet: cho đến nay

B A change in the law has been agreed but the government have.........YET.......... to announce exactly when it will come into force.

have yet to = have not

C Jack has a good job, and ......YET............... he never seems to have any money.

and yet = however

3. A The new office block has become an expensive ............WHITE.........elephant. What a waste of money!

a white elephant: idiom này search gg đi, đại loại là đắt mà vô dụng

B The government must be whiter than ........WHITE............. to win the support of the people.

whiter than white: trung thực và đứng đắn

C The novel is about her experiences as a black girl in a predominantly........WHITE............. city. ,

4. A The accident could have been much worse; luckily no serious ......HARM.............. was done.

B These revelations will........HARM............. his chances of winning the election next term.

C The treatment they gave him turned out to do him much ...........HARM.......... than good.

3 câu này cũng nằm trong ví dụ của từ "harm" trong từ điển Oxford hết :))

5. A As soon as I receive payment I will........EXPRESS........ the book to you.

express(v) chuyển phát nhanh

B It was your grandfather's........EXPRESS............. wish that you should have his gold watch after he died

express (adj) rõ ràng và công khai

C Words cannot.......EXPRESS.............. how pleased I am when my son wins that prize in the contest.

Cho tam giác ABC vuông tại C. Vẽ (O) đường kính AB. CMR: C thuộc đường tròn tâm O, bán kính AB/2

4)Who has made them study harder for the exam?

By..................................

11. I had expected to get a much lower mark in the exam than I did (such)

I had no idea I .............mark in the exam

12. She had no idea he would be so attractive (thought)

He was much more attractive than she.......be

13. I hope the next exercise won't be as difficult as this (easier)

I hope the next exercise .............this

7. I want to give my children a chance to get a good education (help)

I want to.........a good education

8. Adam hung up before Jane could reply (chance)

Before Jane.................Adam hung up.

9. Jane was more attractive than Adam thought she would be (expected)

Adam had.............less attractive

10. Things are much more expensive here than we thought they would be. (expected)

We had...............cheaper here

1. The swichboard operator connected me to the manager (put)

The swichboard................the manager

2. I'm sorry but I cannot lend you any money (me)

I'm sorry but.........to lend you any money

3. The committee discussed what to do (discussion)

The committee .......should be done

4. Nobody in the group disagreed with the plan except for John (exception)

With........., everyone in the group agreed with the plan

5. They cancelled the match because of the bad weather (called )

The match...........because of the bad weather.

6. Barbara couldn't sing or dance (unable)

Besides..........., Barbara couldn't dance either.

Nêu cách nối dây (Bài 6. Thực hành lắp mạch điện bảng điện)

Bnạ nào giúp mình vs ạ. Mình đang cần gấp