Верны ли следующие суждения об ограниченности ресурсов?

А. Проблема ограниченности ресурсов проявляется только в условиях рыночной экономической системы.

Б. Ограниченность ресурсов пораждает проблему экономического выбора

Помогите правильно поставить на пропуски предложенные варианты 

1.What are you doing ?  - I ____ the fish to see if its all right

a) am smelling

b) smell

c) do the smelling of

2. This is _____ phone in the village

a) an only

b) the only

c) only a 

3.We argued about politics till late____ night.

a) in the

b) at 

c) пропуск

4. Sightseeing is best done____ by tour bus____ by bicycle.

a) both...and

b) neither ....nor

c) either...or

5. Tina____ an inverview this moning.

a) attends

b) is attending

c) had attend 

6. I havent been able to sleep___ the last few nights

a) since

b) in

c) for

7. A modern plane ____ with electronic equipment

a) is packed

b) is being packed

c) has been packed

8. It began to rain and we____ for cover.

a) run

b) ran

c) were runing

9. He is writing _____ historical novel about the nineteenth-century Russia

a) the

b) пропуск

c) a

10. There was silence at____ and of the line

a) the other

b) another

c) other

11. Going to work____ the morning is just part of everyday life

a) at 

b) in 

c) on

12. The dancers looked___ in national costumes

a) splebdid

b) splendidly

c) is splendour

13. He decided to postpone the expedition____ the following day.

a) until

b) before

c) by

14. Mum! I have nothing to wear! The jeans you bought me____ fit me.

a) doesnt

b) arent

c) dont

15. When___ your coat? - This month

a) have you bought

b) you bought

c) did you buy 

16. If he ____, we will do this work

a) will come

b) came

c) comes

My parents dont have___ money but I am sure they will help us.

a) many

b) much

c) a lot of

какую из органических молекул можно считать аналогом матрицы для печати книги?

1)молекула крахмала

2)молекула гемоглобина

3)АТФ

4)ДНК

при скольких натуральных k дробь (k^2+2k+4)/k является натуральным числом?

Допишите недостающие обозначения: 

(смотрите внутри) 

[tex]_{29}^{63}Cu+\gamma[/tex]-->[tex]_{29}^{62}Cu+X;[/tex]

[tex]X+\ _{1}^{1}H[/tex] -->[tex]_{2}^{3}He+\gamma[/tex]