以下是引用ethyl在2005-5-24 19:52:00的发言:at a cost好像没有这么说的; at cost:以成本价…… at the cost of:以……为代价
用google在网上搜了一下,发现用at a cost of sth的句子有两百多万个,这种说法应该和at the cost of sth同样是正确的说法。但B缺少了of就不对了。另B中cost的意思成了代价而不是成本,改变了原句的意思。
另外,whose 的确可以指物,见大全116
Several recent studies suggest that a child born into a family whose members have allergies will probably themselves develop allergies following the onset of a minor viral infection.
(A) a child born into a family whose members have allergies will probably themselves develop allergies
(B) children born into families whose members have allergies will probably themselves develop allergies
(C) a child born into a family the members of which have allergies will probably develop an allergy
(D) in those families where members have allergies, children will probably develop allergies themselves
(E) children born into a family in which there are allergies will themselves probably develop an allergy
答案为B。 |