A．differentB．narrowC．sameD．right

A diesel engine burns _____ a gasoline engine of the same capacity in the same period of time.

A．Same gene, same life.B．Identical twins also have very different lives.C．The element

The curious looks from the strangers around her made her feel uneasy.A．differentB．proudC．u

If a line at right angles to the axis rotates about that axis and, at the same time, moves

【C9】A．differentB．similarC．sameD．distinct

【C5】A．differentB．equalC．sameD．cheap