1.Tính giá trị biểu thức:

\(A=2sin^275^o+2sin^215^o-cos50^o-cos40^o+cot40^o.cot50^o\)

\(B=cos^225^o+cos^265^o-3sin^261^o+3sin^229^o+cos^2x+tan^2x.cos^2x\)

Viết đoạn văn nói về Vũ Nương là người vợ khéo léo,thuỷ chung

Rút gọn:

\(A=\left(\frac{\sqrt{\sqrt{x}-1}}{\sqrt{\sqrt{x}+1}}+\frac{\sqrt{\sqrt{x}+1}}{\sqrt{\sqrt{x}-1}}\right):\frac{1}{\sqrt{x-1}}\)

Tính giá trị của x tại \(x=19-8\sqrt{3}\)

1.Rewrite sentences using the provided word keep meaning as that od the root one.

1.I last her three years ago-> I haven’t ……………………………………..

2.The teacher will explain the lesson intil all the students understand it.

The lesson……………………………………………………………….

3.You draw very badly.-> I wish…………………………………………

4.They sell jeans all over the world.-> Jeans……………………………………….

5.People are going to build a new bibrary in the area.

A new library…………………………………………………………………

6.The clown made us laugh a lot.-> We wish we……………………………………

7.You live very far from school.-> We wish we…………………………………………………………………..

8.My father used to take us to circus when we lived in the city.

We…………………………………………………………………………….

9.I usually got up late last year,but this year I often get up early.

I used to………………………………………………………………………

10.You have to finish your homework on time.

Your homework………………………………………………………………

11.My sister gave me a new pair of jeans on my fifteen birthday

A new pair of jeans…………………………………………………………..

12.The worker are building a supermarket on our street.

A supermarket………………………………………………………………..

13.Mary is sorry.She isn’t on the beach now.-> Mary wishes…………………………………………………………………………

14.They have sold their car to pay their dept.-> Their car…………………………………………………………………………

15.We are going to grow flowers in the front garden.

Flowers………………………………………………………………………

16.You musn’t use this machine after 5.30 pm.-> This machine………………………………………………………………………

17.I can’t understand what he says.-> I wish……………………………………………………….

18.Lan bought some comic books for her brother.-> Some comic books………………………………………………………………………

19.We don’t use this kind of cloth to make shirt.-> This kind of cloth………………………………………………………………………….

20.This well-known library attracts many people.-> Many people……………………………………………………………………….

1.Give the correct world formation:

1.The sweater is designed without sleeves.It is …………………………………..(sleeve)

2.Please drive……………………………………,or you will have an accident( care).

3.They were reunited after a ……………………………………………of more than 20 years.(separate)

4.I had no……………………………………..making myself understood(difficult)

5.He is interested in the……………………………..of old building (preserve)

6.Don’t depend on him;he’s a very……………………………………….person(rely)

7.Rob was dismissed after being told by this……………………………………that he must leave in a month’s time.(employ)

8.He’s quite an……………………………………………….person.He plays lots of and goes running everyday(energy)

9.English is a………………………………………………..easy language for Swedes to learn (compare).

10.I think it’s very………………………………………………of him to expect us to work over time every night this week.(reason)

11.He is very rich,so he can live………………………………………….(denpend)

12.The singer looks………………………………….on the stage.( attract)

13.Team games help to……………………………the students’ solidarity.(strong)

14.We like going in his car as he is a ………………………………….driver.(care)

15.The stamp………………………………………………………….is valuable.(collect)

16.Uniforms make students………………………………………………………..of their school.(pride)

17.Jeans and T-shirt are his……………………………………………………………..clothes.(favour)

18.Res…………………….danger(symbol)

19.Mai……………………………….Maryam to HaNoi last year.(invitation)

20.Some dasigners have…………………………….the Ao dai by printing lines of poetry on it.(modern)

21.We’re very impressed by the……………………………………of your town’s people .(friend)

22.Liverpool is an……………………………….city in the north of England.(industry)

23.Is buddhism the country’s………………………….religion of Thailand?.(office)

24.Should English be a…………………………………foreign language in Vietnam?( compel)

25.This hanbook gives us…………………………information about Asian.(add)

1.Use the correct form of the verbs in brackets:

1.Whar you (do)........................last weekend?-I (go).......................to the theater with my family.

2.John and I (be)....................................pen pals for nearby three years .

3.We used (write)....................to each other every month when we(be).....................................at sencondary school.

4.Minh(know)................................................a little English,so she (wish)..................................she (can)..............................speak it fluently.

5.Maryam (stay).................................with us at the moment.She (be)...............................................my sister's friend.

6.They (read)..............................thosee interesting books several times.

7.His classmate (wait)..............................for him since 8 o'clock.

8.Her son(just design).............................a new hospital in the suburb.

9.This book(write).....................................for the children last year.

10.I(get)..............................a lot of bad marks this month.

11.MRs.Lan(be)..............a teacher of English for twenty-seven years.She first (start)................................teaching English at a small school.After she had taught ther for ten years,her family (move)............................to a big city.Since then she (be)...............................a teacher at a bis school.

12.I (pass) .................................up my book to her .She ( ask)............................. me why it had taken me so long to do the work.I (explain)..................................to her that I hah had very little time to do my work.

13.I(wear).......................................sunglasses now because I have sore eyes and the glare of the sun (hurt).......................................them.I(use)....................dark glasses for several days already,but my eyes have not improved yet.

14.They used (go).............................................swimming in the afternoon.

15.He wishes he (be)..............................................a docctor.

16.They (not finish)...............................................their work yet.

17.I wish they (be)............................................. here tomorrow .

18.I would rather you (do)...........................................the test well.

19.It;s time we (catch)...................................the bus to go home.

20.I wish they (be),,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,at the party here last night.

1.Rewrite these sentences without changing the meaning,using the conditional type 1:

1.Work harder and you will pass the entrance exam.

If................................................................................

2.Hurry up or we will miss the last bus,

If................................................................................

3.Be more serious in training;otherwise,you can't play in the next match.

If................................................................................

4.We must act now or there won't be any forests left on earth.

If................................................................................

5.Unless his parents help him a lot,he can't set up this company.

If................................................................................

6.She won't get nay achievement unless she gets some inspiration from her successful mother.

If...................................................................................................................................................

7.He practises speaking English everyday,so I think his English is sure to be improved

If.........................................................................................................................................

Một số tế bào chưa biết đã trải qua quá trình nguyên phân với số lần bằng nhau đã tao ra 16 tế bào con. Cho biết có bao nhiêu tế bào đã tham gia nguyên phân và mỗi tế bào đã nguyên phân bao nhiêu đợt.

Complete the sentences with the correct form of the words given in brackets.

1.The Ao dai is the ...................dress of Vietnamese women.(tradition)

2.TRaveling by subway is fast,..............................and cheap.(convenience)

3.The progran examines the role of women in...................society.(modernize)

4.Dreams are a rich source of.....................................for some writers.(inspite)

5.Don't you belive in.......................................between men and women? (equal)

6.I need you go to offer words of......................................(encourage)

7.She gave him an......................................handkerchief.(embroider)

8.It's .....................to wear T-shirt and faded jenas.(fashion)

9.I wear my school uniform with.......................................................(proud)

10.The world's .......................................................situation is getting worse and worse.(economy)

11.I'm going to visit Da Nang,so can you tell me what the greatest ......................................in Da Nang are? (attract)

12.Don't worry about your travelling because the public transport here is convenient and.............................(rely)

13.Sydney is a metropolitan and................................city ,so you can have a great variety of things and foods from different countries.(multiculture)

14.MY aunt is a very well-known fashion ..............................................Paris (design).

15.The outdoor foof markets in Singapore are fun and .................................so you should try it.(afford)