U2L1-1 3) Why is urbanization considered unprecedented?

The Black Death , an unprecedented______________ in history, had a great impact on the European culture. A: calamity B: extinction C: withdrawal D: species

The on-the-post practice has given her ___________opportunity in her job hunting.( unparalleled, unprecedented)

The mission has been hailed as a(an) _____ success. A: accident B: eventually C: regular D: unprecedented

The mission has been hailed as a(n) ____________ success. A: unpredictable B: predictable C: unprecedented D: precedent

In the history of                    Dynasty, silk production entered its prime period, with output and quality both reaching unprecedented levels.

In the history of Dynasty, silk production entered its prime period, with output and quality both reaching unprecedented levels.

At present, we face unprecedented challenges and opportunities, but the opportunities __________ the challenges. A: simulate B: outweigh C: contemplate D: displace

As revealed in Para. 1, the author considers the American New Town approach （） A: atypical B: irrelevant C: impractical D: unprecedented

This year we are having a bad drought unprecedented in past 100 years; we have to prepare some big plastic pails for ________ drinking water.