be required to=need to?

I learned some English expressions from a podcast and I learned 'be required to'.
Does it mean 'need to'?
I'm not sure.
I made some examples of them.
Could you correct them?
Thank you for your time :)

* be required to
- He was required to carry the lady's bag.
- They were required to turn off their phones.
- I was suddenly required to vacate my desk so I was so upset.
- She was required to sing in front of the crowd.
- The students are required to study more after school.

* heart is racing with ~
-She had a chance to meet the celebrity and her heart was racing with happiness.
- Before he entered the horror house, his heart was racing with fear.
-I heard that new season of my favorite drama will be broadcast soon. My heart is racing with excitement!
- He spilt dirty water on me. My heart raced with anger at the moment.
- After he surprised me, my heart is was racing with surprise. 

Is talent inborn or acquired?

It is often discussed whether or not talent is inborn or if it is acquired through practice. When I saw the performing performance of Yuna-Kim, a figure skater, I felt she was born with talent. But I saw the documentary about her story and was overwhelmed by her rigorous training.

It's obvious we are born with our parent's traits, like their genes and characteristics, and are influenced by the there are various environments around us (or: and are influence by various factors in our surrounding environments). I can't dismiss these factors. These factors effect affect how an individual person to  expresses show their ability. Like many diseases are inherited from the generation. But we can't sure that a baby of the most famous musician would be a musician too.  In the way that physical traits like diseases can be genetic or hereditary, we cannot be sure that talent is genetic in the same way. 

I think that this is a game of possibility chance. The possibility  probability to become one of kind a certain way  or to have a certain talent would be increased if one has talented parents and the environment is nurturing of the trait environment to do something. But despite all of the obstacle (In spite of it all ), there are people who get their ways with practice.

Let's suppose that there are two people, one has talented parents and the other hasn't but both of them practice for the same time and with the same passion. I would say that the former has more possibility  (a higher probability) of success than the other the latter. But who knows? It's just a mere prediction speculation.

Yeongheungdo fishing boat collision incident

A fishing boat capsized after colliding with a refueling ship in the sea near Incheon Yeongheungdo Island early this morning.
Thirteen of 22 passengers and crew were killed and two were missing.
Most of the deaths deceased were in their 50s to 60s. and hypothermia due to cold water temperatures and fast tidal currents in the area caused the loss of life. The cause of death was hypothermia due to cold water and fast tidal currents in the area.
In the sea area, At the area of collision, about 50 vessels, including naval vessels, marine vessels and civilian vessels, and 8 aircraft were involved in the search.

(Or consider:  About 50 vessels were involved in the search, these include naval, marine and civilian vessels in addition to 8 aircrafts that searched the area of collision. )

Let me introduce my family.

There are five people in my family. My wife used to be a music teacher, but now she is a housewife.
We have three children, one son and twin daughters.
My son who likes science is 7 years old, and his sisters are 2 years old.
(I don't know what they like.... somebody tell me.)
Actually we wanted 2 children, but God gave us one more angel :-)
Although my wife and I don't have much free time, we are happy to take care of them.
Thanks.