The author explains the difference between popular and learned words ______.A．by contrastB

In Paragraph 2, the author explains the differences in the treatment of musical elements i

The author mentions the Balkans in the passage in order to explain why ______.A．Indo－Europ

What must we understand in order to be successful in our training programs？A．The differenc

In the first paragraph, the author introduces his topic by______.A．explaining a phenomenon

The author writes the passage toA．explain how currency devaluation affects economy.B．dispe

Which of the following can be the title of the passage？A．Reading and listening.B．Differenc