Вопрос по биологии:

почему в мышцах происходят неподконтрольные сокращения?

Вопрос по английскому языку:

Grammar Test (Module 3)

(Past Perfect, Past Perfect Continuous, Past Simple, Past Continuous)

Task 1. Choose the correct past form of the verb to complete each sentence.

1. Joseph ... science and ... to become an inventor.

a) loves, wants

b) was loving, was wanting c) loved, wanted

d) had loved, wanted

2. The balloon ... high in the sky for 10 minutes before it landed.

a) floated

b) was floating c) had been floating

d) float

3. They ... the king for permission before men flew in the balloon.

a) have asked

b) asked c) had been asking

d) had asked

4. One day he ... in front of the fire with his laundry drying nearby.

a) was relaxing

b) relaxed c) had been relaxing

d) had relaxed

5. Before he came to the conclusion that smoke had the power to lift thingsup he ... small pieces of paper coming out of the chimney.

a) saw

b) had seen c) had been seeing

d) see

Task 2. Complete the sentences using the correct Past Perfect or Past Perfect Continuous form of the verbs in brackets.

1. By the age of 14, he _________ (act) in some school performances.

2. I ________ (enter) competitions for several years before I won.

3. She ____ never _______(study) Sociology until she ____ (go) to university.

4. I _____ (think) of what to write when suddenly I had a great idea for a story.

5. Before he was fifty he________(not/enjoy) experiments.

Task 3. Recall the grammar rules and match the timelines (A–D) with the sentences (1–4).

A Past

B Past

C Past

D Past

1. Maria had been studying Astronomy for 5 years before she decided to enter the university.

2. She was making travel arrangements for her boss at her previous job.

3. My mother had worked as a freelancer before she found a well paid job.

4. His friend’s father got a pay rise.

Task 4. Each sentence has one mistake. Write the correct sentences.

1. I became interested in science after I have taken part in a school science project.

2. The Montgolfier had presented their first air balloon in 1783.

3. He went on a long holiday after he finished his studies.

4. What did they see while they flew?

5. What was you doing last night at 8.00 pm?

6. They became famous they had made their first invention.

7. I had been working as a teacher since many years.

Вопрос по географии:

Черногория Географическое положение,Особенности рельефа,полезные ископаемые,Климатические условия в разных частях страны Крупные реки и озёра Природные зоны страны Народы, населяющие страну Памятники природы и культуры, находящиеся в стране

Вопрос по физике:

Вопрос жизни и смерти!

Автобус, ехавший со скоростью 25 м/с начал тормозить и до остановки прошёл путь 25 м. С каким ускорением он двигался? сколько времени тормозил?

Вопрос по математике:

ИСКЛЮЧИ лишнее слово(записать букву записать слово)

а) зима,снег,девочка,папа,стена.

б) ветер,пальто,рыба,солнце,окно.

в)дочь,рожь,конь,мышь,речь.