1、文章第一句 The idea that some groups of people may be more intelligent than others in one of those hypotheses that dare not speak its name.
修饰hypotheses的that从句中,dare为什么要用主动语态呢?
2、书第6页最后一行,第6题的解析里,短语 at the cost of 的示例 He saved his daughter from drowning, but only at the cost of his own life.的解释是“他从水中救起了他的女儿,但因此而付出了自己的生命”。
但是句子中的only是当什么讲呢?
3、第10题,This group generally do well in IQ tests, scoring 12 - 15 points above the 10 value of 100.