Questões de Concurso Para copese - ufpi

Levando em conta a leitura integral do texto, é possível admitir que o efeito de sentido alcançado com o uso do vocábulo 'invasão' (linha 03) é de 

A palavra 'ecossistema' (linha 10) pode ser mais bem substituída, no contexto em que ocorre, por

É possível afirmar, a partir da leitura global do texto, que o assunto principal é:

Read the following paragraph and choose the correct option for the question that follows:

I‘ve got a young friend, he‘s only 25, but he fits the bill perfectly. He‘s single and he‘s hungry. He‘s willing to start from scratch and, best of all, he isn‘t afraid of putting his nose to the grindstone for those 80-hour weeks. He decided to take the bull by the horns by going starting up his own business. He found a software developer who knew the internet inside out. This young man was also very ambitious. He left his safe job at the drop of a hat. They were both reaching for pie in the sky, and they were ready. They also were lucky. They founded a startup and got into the whole social networking business.

Adapted from: https://www.thoughtco.com/young-and-free-prerequisite-for-success-1210197 (Accessed on 01.21.2022)

The underlined idioms in the paragraph mean, respectively

Choose the correct option to complete the following text:
I‘m sorry for ______ such a long time to write back. I‘ve been so busy at work lately. I‘ve also not been studying very hard and my French exam is next month! To ______ you the truth, I‘m getting a bit nervous and will have to ______ some revision! The good news is I‘m going on holiday with my parents before the exam, so if I get the chance I‘m going to try to ______ an effort and work on my French. Anyway, the reason I‘m writing is to ask you if you would like to come to the UK. I know you haven't been here before and we could ______ sightseeing. Let me know what you think. 
Adapted from: https://www.flo-joe.co.uk/preliminaryenglish/vocabulary/pet-collocations.htm (Accessed on 01.21.2022)