The guest team was beaten by the host team 2 ()4 in last year's CFA Cup Final.

单项选择题The diversity of tropical plants in the region represents a seemingly () source of raw materials, of which only a few have been utilized.

A．exploited
B．controversial
C．inexhaustible
D．remarkable

单项选择题The new colleague () to have worked in several big corporations before he joined our company.

A．confesses
B．declares
C．claims
D．confirms