单项选择题

The goal of "Noah's Ark" Project is to_______.

A．make efforts to clone the endangered panda
B．save endangered animals from extinction
C．implant embryo into a host animal
D．collect DNA of endangered animals to study

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热门试题

单项选择题

Which of the following examples does not make time seem to pass more rapidly

A．A trip to a familiar place.
B．Office work with schedules and appointments.
C．Life of a businessman filled with appointments.
D．The learning of something difficult and interesting.

单项选择题

When people live an identical and routine life, time seems to _______.

A．stop
B．slow down
C．speed up
D．be in a psychological sense