Ở người,bộ NST ở nữ 2n=46 (44A+XX)

a.Số lượng nữ bị bệnh Towcno thì có số lượng NST như thế nào?

a.Viết sơ đồ và nêu cơ chế hình thành bệnh Tơcno

Talk about teen stress & pressure,how to cope life skill

A volcano is an opening in the earth's surface through (14) lava, hot th gases, and rock fragment erupt. (15) 20 Lu Hoang Tri an opening occurs when melted rock from depth within the earth blasts through the surface. Most volcanoes are at the p of mountains, and the mountains themselves are also called volcanoes Eruptions of volcanic mountains are spectacular (16) huge fiery clouds rise over the mountains, an (17) sides. In other eruptions, red-hit ash and cinders shoot out the mountaintop, and large chunks of hot rock are blasted (18) few eruptions are so (19) eruptions occur on volcanic islands. Such islands are the tops of volcanic islands in some eruptions, d glowing rivers of lava flow down into the air. A that they blow the mountain apart. Some from that have been built (20) from the ocean floor by repeated eruptions. Other eruptions occur along narrow cracks in the (21) floor

một bóng đèn dây tóc có ghi 220v-150w được sử dụng ở hiệu điện thế 220v

a.Tính cường độ dòng điện qua đèn khi đó ?

b.Tính nhiệt lượng dây tóc tỏa ra trong 30 phút ?

c.Tính tiền điện phải trả cho việc sử dụng đèn trong 30 ngày biết thời gian sử dụng trung bình một ngày là 6 giờ với giá tiền là 2000 đồng/kWh?

1.Stress/is/us/all/time.->............................................................................................

2.It/come/mental/emotional activities/as well/physical activities.

->............................................................................................

3.It/unique/personal/each/us->............................................................................................

4.It/so personal/that/what/may/relaxing/one person/may/stressful/another.

->............................................................................................

5. For example/you/busy/executive/who/like/keep/occupied/all/time

->...........................................................................................

6.''Taking it easy''/beach/beautiful day/you/feel/extremely/frustrating/nonproductive/uspetting

->........................................................................................................

7.You/may/emotionally/distressed/''doing nothing''.

->........................................................................................................

8.Too/much/emotial stress/cause/physical illness/such/high blood pressure/even/heart disease.

->........................................................................................................

9.Phusical stress/work/or/exercise/no/likely/such/ailment.

->........................................................................................................

10.truth/that/physical exercise/help/you/relax/better/handle/mental/emotinal stress.

->........................................................................................................

1.Mary started learning English 3 years ago.

Mary has................................................................

2.They regret not visiting Halong Bay earlier.

They wish..........................................................................

3.''It was very kind of you to help me with the housework''.They lady said to Jane.

They lady thanked..........................................................................

4.She failed the exam because she didn't study hard.

Had..........................................................................

5.I never intended to go to the meeting

I never had..........................................................................

6.I spend half an hour travellibg to work by motorbike evryday

It takes..........................................................................

7.''Can you give me a ride to school ?''-He asked his friend..........................................................................

8.We can't have breakfast in the garden because it is very cold.

It is so..........................................................................

9.I've never met a more intelligent man than him.

He..........................................................................

10.The film star wore dark glasses so that no more would recognize him,

The film star avoid..........................................................................

11.You are not permitted to smoke in the hall.

-Smoking..........................................................................

12.I wish I had gone on holiday with my friend.

I regret..........................................................................

13.Tom's father no longer smokes cigarettes.

-No..........................................................................

14.This baby rarely cries during the night.

-Rarely..........................................................................

15.People did not know much about AI until 2010

No until..........................................................................

1.I prefer ordering food to cooking it ( rather)-> I..............................................................................................

2.The government should do something about unemployment immediately .(time)

It's..............................................................................................

3.I'm sure she wasn't the one who stole the money .(can't)

She..............................................................................................

4.It would be a good idea to tidy the desk before starting work (you)

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

5.Your hair needs cutting .(should)._> You....................................................cut

6.I can't tolerate this kind of behaviour any longer .(put)

I can't ..............................................................................................

7.The dessert was better than the main course .(wasn't)

The main course ..............................................................................................

8.Well done! You've got the job you applied for,'' she said to him .(congratulated)

She ..............................................................................................

9.The football match was postponed due to the rain .( put)

The footbal watch was..............................................................................................

10.There was no one here expect John .(apart).-> There was..............................................................................................

11.You wi;; have to pay at least $500 to get that watch.(impossible)

You'll find..............................................................................................

12.I don't want to eat this now.(rather).-> I..............................................................................................

13.It's possible that she didn't understand what I had said.( might)

She ..............................................................................................

14.I couldn't concentrate fully bacause of the loud music.( difficult)

The loud music..............................................................................................

15.She is certain to have heard about it on the news.(must)

She ..............................................................................................

16.Tettorists tried to destroy the bridge using dynamite .(blow)

Tettorists tried ..........................................................................................

17.He went to Spain to try to speak Spanish better.( brush)

He went to Spain ..............................................................................................

18.Ask Paul to do it.You can rely on him.(let)

Ask Paul to do it.He ..............................................................................................

Viết đoạn văn có câu dẫn gián tiếp ,câu dẫn trục tiếp

\(\sqrt{x-2}+\sqrt{x+1}=3\)

Giải hệ phương trình

\(\left\{{}\begin{matrix}x-\left|y-5\right|=8\\\left|x+1\right|+3\left|y-5\right|=21\end{matrix}\right.\)