What goal is the Chinese leadership trying to reach for fear that the nation’s economy goes directly from a period of expansion to a recession according to this passage

A．Buy something to eat on the train.
B．Take the five o’ clock train
C．Wait to catch a later train.
D．Take the train to the airport.

A．Same gene, same life.
B．Identical twins also have very different lives.
C．The element of environment is more important.
D．None of the abov