Question: Modern dance is enjoying a revival, with a new wave of small, imaginative companies beginning modestly enough at the Cafe de la Danse (passage Louis-Philippe) and Theatre Garnier before reaching the heights of the Theatre de la Bastille.
The Theatre de la Bastille is also a wonderful place to watch ballet.

Answer: it is not possible to tell

Question: The historic walled heart of Jerusalem dates back beyond the time of Christ.
The walled section of Jerusalem pre-dates the birth of Jesus.

Answer: yes

Question: Noting the fossil's eel-like tail and other aquatic attributes, Lee and Caldwell suggest that these proto-snakes retreated into the water, shed their legs, then slithered back out.
Lee and Caldwell seem to think that the proto-snakes shed their legs.

Answer:
yes