题目内容


. Many people think that it is ____________making such an experiment.
A.worthwhileB.worthC.worthyD.valuable
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。
练习册系列答案
相关题目

违法和不良信息举报电话:027-86699610 举报邮箱:58377363@163.com

精英家教网