1 . It is reported that the economy of this country may ________by around 5% this year as a result of the poor economic state.

A．raise

B．shrink

C．count

D．accumulate

2 . Due to the huge amount of construction and operational experience________over the past few years, China’s energy producers can grab a larger share of the global clean energy market.

A．having accumulated	B．being accumulated
C．accumulated	D．has been accumulated