Найти объём оксида азота (2) массой 15г Сколько молекул это составляет ПРЖАЛУЙСТА КР ПО - №26365246

Найти объём оксида азота (2) массой 15г
Сколько молекул это составляет
ПРЖАЛУЙСТА КР ПО ХИМИИ
- Предмет:
  Химия
- Автор:
  chayahendricks
- 5 лет назад

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1. A letter arrives at you house. You are sure it is from Paul.

A It might be from Paul. B It must be from Paul.

C It may have been from Paul.

2. You have toothache. Your mother gives you some advice.

A You may go to the dentist. B You should go to the dentist.

C You might go to the dentist.

3. You are looking for your scarf. You think it’s upstairs.

A It can’t be upstairs. B It should be upstairs.

C It could be upstairs.

4. Your father told you to do your homework. You tell your friends.

A I will do my homework. B I have to do my homework.

C I might do my homework.

5. You want your neighbour to babysit for you tonight.

A Would you babysit for me tonight? B Shall you babysit for me tonight?

C Must you babysit for me tonight?

6. You did the washing up for your mother, but she didn’t expect you to.

A You mustn’t have done the washing up.

B You might not have done the washing up.

C You needn’t have done the washing up.

7. There was a good film on TV. You’re sure John didn’t watch it.

A John should have watched it. B John might have watched it.

C John can’t have watched it.

8. You want to have a pet in your flat, but your landlord tells you it isn’t allowed.

A You mustn’t keep pets in the flat. B You needn’t keep pets in the flat.

C You will not keep pets in the flat.

9. An old lady is trying to open the door. You offer to do it for her.

A Couldn’t I open the door for you? B Must I open the door for you?

C Shall I open the door for you?

10. You offer to do the shopping, but your mother says it isn’t necessary.

A You must do the shopping. B You needn’t do the shopping.

C You could do the shopping.
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