----- Nội dung ảnh -----
Exercise 2: Fill in the gaps with the words in the box.

1. There is a ...................... that human ageing may be delayed or even reserved.
2. The experiments have ......................... that there is a strong relationship between family background and children’s academic success.
3. Today scientific progress is mostly defined in terms of technological ...................
4. There are a number of technological ......................... in our classroom.
5. The ................................. of the research will make great contributions to reforming our educational system.
6. To make sure that the first results weren’t just an accident, you need to repeat your .......................... several times.