Rewrite these sentences in more informal English. 1 What's your date of birth ? When were you born?
2 What's your country of origin?
3 What's your marital status?
4 What was your date of arrival ?
5 When's your date of departure?

на русском:

в зимней одежде относится: куртки, шапки, шарфы и теплый дубленки и пуховики.

весенняя одежда не такая теплая как зимняя относится: те же куртки, шапки, в теплые времена весны носят: кепки, штаны, трико, кофты.

лето теплое время года: шорты, кепки, футболки, топы, платья и это все относительно одевают летом.

осенью вещи носят такие же что и весною но вместо кепки шапки и т.д

перевол на английском:

in winter clothes include: jackets, hats, scarves and warm sheepskin coats and down jackets.

spring clothes are not as warm as winter ones: they are the same jackets, hats, in warm times of spring they wear: caps, trousers, tights, sweaters.

summer is a warm season: shorts, caps, t-shirts, tops, dresses and this is all relatively worn in the summer.

in the fall, things are the same as in the spring, but instead of caps, hats, etc.

1. Общий.  Does the New Marriam-Webster Dictionary gives the explanation of the word “engineering” as the practical application of scientific and mathematical
principles?
ответ: The New Marriam-Webster Dictionary gives the explanation of the word
“engineering” as the practical application of scientific and mathematical
principles.
2) Разделительный.  It is applied also to the art of executing such works as the objects of civil and military architecture, in which engines or other mechanical
appliances are used, isn't it?
ответ: Yes, it is.

3) Альтернативный
Did it start or finish developing with the rise of ancient Rome?
ответ:  It started developing with the rise of ancient Rome.
Специальный к подлежащему
Who had to protect themselves against the elements and sustain themselves in the
conflict with nature?
ответ: The people had to protect themselves against the elements and sustain themselves in the conflict with nature.
Специальный:
How many main branches of engineering were there up about the middle of the 18th century?
ответ: And up about the middle of the 18th century there were two main branches of engineering – civil and military.