Her jewelry （）under the spotlights and she became the dominant figure at the ball.

单项选择题（）that the demand for power continues to rise at the current rate, it will not be long before traditional sources become inadequate.

A．Concerning
B．Ascertaining
C．Assuming
D．Regarding

单项选择题The person who （）this type of approach for doing research deserves our praise.

A．originated
B．speculated
C．generated
D．manufactured