Question

. Many people think that it is ____________making such an experiment. A．worthwhile B．worth .

. Many people think that it is ____________making such an experiment. A．worthwhile B．worth C．worthy D．valuable

Answer 1

A

词义辨析。Worthwhile (adj) 值得的worthwhile 用于下列句型It is worthwhile doing sth./ to do sth.  干某事是值得的worth  用于下列句型：sth. is worth sth/ doing此句型中只能用doing， 不能使用被动。 worthy 用于下列句型：sth. be worthy of sth/ being done     sth. be worthy to be done。故选A。