When practising IELTS reading at home, it's always a good idea to write down the 'keywords' that helped you to find the correct answers.
I recommend doing this even if the keywords seem easy. Personally, I've done so much reading practice (in my lessons) that I notice keywords very quickly - they jump out of the page! With time, I believe that you can develop the same ability.
Here are the easy keywords from last week's exercise: