Химия | 5 - 9 классы
Put the verbs in brackets into the correct tense form and voice.
Mark to be) 13 years old.
He (to live) in Manchester and (to go) to a grammar school.
Mark always (to enjoy) using computers.
He (to start) using them three years ago.
He (to use) it to write his English compositions.
This year, Mark (to do) very well in his school tests and, as a reward, his parents (to buy) him a modem.
A modem (to allow) his computer to ‘talk’ over the telephone to other computers.
Mark (to use) his modem for a few weeks now.
He (to send) messages to his friends all over the world.
He even (to play) computer games with his friends in Australia.
Найдите массу газа He V = 4, 48 л?
Найдите массу газа He V = 4, 48 л.
Помогите пожалуйста решить хим реакцию Ra - RN + He?
Помогите пожалуйста решить хим реакцию Ra - RN + He.
Учусь в английской школе( Не знаю точно, как звучит задание на русском?
Учусь в английской школе( Не знаю точно, как звучит задание на русском.
In three different test tubes, there are the solutions of potassium chloride, potassium iodine, and potassium sulfide solutions.
How can you identify them by using only one reagent?
Определите объём (н?
Определите объём (н.
У)12 моль He.
Put the verbs in Present Simple : Before Christmas, children?
Put the verbs in Present Simple : Before Christmas, children.
(to write) a letter to Santa Claus with their wishes.
Then on Cristmas Eve they .
( to leave) for him food or drinks.
They .
( to believe) that Santa Claus .
( to put) presents in their Christmas stockings.
They also .
(to believe) that Santa .
( to live) at the North Pole and .
( to make) Christmas toys for children.
On Christmas Eve he .
( to fly) to the houses of all good cgildren and .
( to bring) them presents.
Допишите уравнения ядерных реакций : ⁵²Cr + n = ⁵²V + ?
Допишите уравнения ядерных реакций : ⁵²Cr + n = ⁵²V + .
⁵⁵Mn + n = V + .
²³⁹U = ²³⁹Np + .
²³⁹Pu + ⁴He = ²⁴²Cm + .
²⁰⁹Bi + ⁴He = ²¹¹At + .
Одинаковую электронную конфигурацию имеют He и Ne?
Одинаковую электронную конфигурацию имеют He и Ne.
Какой из атомов не содержит нейтрон в ядре?
Какой из атомов не содержит нейтрон в ядре?
He, H, Ag, Hg.
Как читается помогите пожалуйста There are about10 million types of insects in the world?
Как читается помогите пожалуйста There are about10 million types of insects in the world.
There little creatures live in our homes and gardens Some live near water, others live in fields, parks, and forests.
Some insects come out buring the day while others come out at night.
Insects are really important.
They keep our gardens clean because they eat dead leaves and other waste.
Theyкак читается it's an insect's life.
Put the verbs in the correct form, and you will get a storyI (study) English at Boston University?
Put the verbs in the correct form, and you will get a story
I (study) English at Boston University.
I (be) on holiday at the moment and I (work) at the public library.
I (be) lucky to have this job.
The library (open) at 10 and (close) at 7.
It (be) an interesting job because people (come) and (ask) me to help them so so I (learn) a lot about different subjects.
I (enjoy) the job and (find) it very amusing.
People (use) the strangest things as bookmarks.
I have a piace of bacon once!
Matchsticks (be) common and so (be) bus tickets.
My colleagues often (find) things to - even a tendollar note!
But I haven't been so luckly.
I often (think) of the fhoto of a beautiful woman I have found.
On the back were the words : "I (love) you and will never forget you.
".
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Is, lives, goes, enjoys, started, uses , has done, have bought - или просто bought - здесь я сомневаюсь, allows, has used - тут тоже небольшие сомнения - может has been using, sends, plays,.