Nadya F
Искусственный Интеллект
(156582)
1 неделю назад
1) Since the latter part of the nineteenth century scientists have been studying the atom, hoping to learn how to free the great store of energy locked inside it. have been studying--Present Perfect Continuous 2) The splitting of atoms has opened up a new era before mankind--has opened- Present Perfect. 3) Fission means the splitting of one particular kind of atom with a tremendous release of energy. means- - Present Simple 4) This suggested the idea of atomic furnace, in which many atoms would split, one after another, and make energy available for many purposes. suggested--Past Simple; would split- Future-in-the -Past; make - Present Simple 5) Based on this model, observations are explained and predictions are made .are explained,are made--Present Simple Passive