radio-group组件change事件的返回值是（)

this class.

A) to change B) changing

C) changed D) change

The computer revolution may swell change society as ______ as did the Industrial

Revolution.

A) certainlyB) insignificantlyC) fundamentally

r zero, show that the substitution effect of a price change for a good is zero.

e change is zero.  A. at length      B. at last      C. at large     D. at best

al disaster ______ we radically change way we live

A) but B) although C) unless D) lest

_____________ as did the Industrial Revolution.

A) certainly B) insignificantly

C) fundamentally D) comparatively

_____ from individual to individual and from face to face.

A) change B) vary

C) alter D) convert

I had just started back for the house to change my clothes ___________ I heard voices.

A) as B) when C) after D) while

__ which a price change will affect supply and demand.

A) from B) with C) to D) for

"The ability to sleep in one chunk overnight goes down as we age but the amount of sleep we need to 52.____well does not change," Dr Drummond told the American Association for the Advancement of Science conference in San Diego.