.

I don’t like Tom’s way of behavior, but ________I admire his knowledge of languages.

A．in other words

B．on the other hand

C．as a result

D．as a matter of fact

根据CT值的定义公式，空气的CT值为()

A．－700HU

B．－800HU

C．－900HU

D．－1000HU

E．－l100HU