(34)___________, it hasn’t always been that way. Although the scientific method is now four or five hundred years old, the ancient Greeks, for example, believed that they could (35)___________the cause of natural events just by the power of thought.

Đáp án B

Solve sth (v): giải quyết vấn đề (không đi với “out”)

Work out sth (ph.v): tìm ra đáp án, cách giải quyết

Come out (ph.v): xuất bản

Give out (ph.v): ban, phát

Dựa vào nghĩa ta chọn đáp án B.

Trích bài: Although the scientific method is now four or five hundred years old, the ancient Greeks, for example, believed that mi they could work out the cause of natural events just by the power of thought.