1. Philip Roth was hailed as a major new author in 1960.
A） published B） challenged
C） acclaimed D） guided
2. He was one of the principal organizers of the association.
A） planners B） employees
C） actors D） recipients
3. It is postulated that population trends have an effect on economic fluctuations.
A） challenged B） assumed
C） deducted D） decreed
4. This kind of animals are on the verge of extinction， because so many are being killed for their fur.
A） drying up B） dying out
C） being exported D） being transplanted
5. The train came to an abrupt stop， making us wonder where we were.
A） slow B） noisy
C） sudden D） jumpy
CABBC