Complete the sentences. Choose the correct option.

The rapid development of technologies makes the diverse educational mode come true. an increasing number of universities have opened up distance education in many countries at present. at the same time, hundreds of millions of people will benefit from the emergence of brand-new educational mode. from my perspective, i stand on the side of the view that the positive development from distance learning outweighs its negative effect.there is a common recognition that high quality of education should be available for all to enjoy, not just confined to the rich students. take studying abroad as an example, before appearing distance learning, poor students have no chance to take part in further education abroad because of shortage of money. however, now these students can gain the same quality knowledge by spending less tuition. in addition, distance learning is not restricted to special targets and places. the schedule of distance learning is flexibility so that workers can have classes on their leisure time, which cannot affect workers’ daily work, more important thing is both students and workers can choose study places wherever they want. furthermore, schools will save plenty of expenditure on classroom to improve teacher quality.however, there are certainly shortcomings on distance learning. to begin with, taking traditional classes, we can acquire a variety of opinion on group discussion while distance learning is considerably hard to carry out discussion classes with other overseas students. in the second place, distance learning is unable to use without internet. if we suffer from enormous disaster like earthquake or tornado that makes our internet break off, our learning had to halt until the internet recover.in conclusion  , as a  coin has two sides, distance learning without exception. distance learning is not only to make universal education possible but also to promote international exchanges.

Archaeologist - a scientist who studies the life and culture of ancient civilizations on the remains of their life. The main tasks of the archaeologist works include excavations to search for the study of sources. Archaeology is often compared to the work of the detective. This is a creative profession, as you have to use your imagination and abstract thinking to recreate a pristine picture of the past of the world. Archeologists work as if with some puzzle elements, which need to pull together to solve the mystery. Sometimes, the entire disclosure of the secrets of some ancient culture or archaeological site takes years.