Only when the financial well runs dry, ______（他们才看到情况已经严重得无可挽救了).

A.with, on

B.with, for

C.on, for

D.for, on

According to the text, the emotional computer ______.

A．has a promising prospect

B．is financially unaffordable

C．is technically impracticable

D．has a specialized user group

______ the train had departed ______ she left the station for home．

A．It is only then; that B．It is only when; what

C．It was only that; when D．If was only when; that

In the third paragraph, the author is mainly interested in _____.

A. stimulating financial growth

B. reducing economic damages

C. saving human lives

D. protecting bird species

Only whenis a linear function of, can we write down the linear regression model.

When you drive home, you can’t be ______ careful.

A too

B very

C so

D only

The smart buildings discussed in the passage ________.

A) would cause serious financial problems

B) would be worthwhile though costly

C) would increase the complexity of architectural design

D) can reduce the ground vibrations caused by earthquakes

They had only _________ in that house for three weeks when fire destroyed it.

A、been lived

B、lived

C、living

D、to live