167.
（Neanderthals had a vocal tract resembling an ape's ） and so were probably without language, a shortcoming that may explain why they were supplanted by our own species.
so ... 是什么结构，so指的是什么？
177.
As ...as...,.... 在句首是什么意思？如：As ill-prepared as they are, they nevertheless find good jobs
187.
four times as many Americans were killed as would later be killed on the beaches of Normandy during D-Day.
分析结构，是主语比较吗？
另： twice as many A as B 为什么是“A是B的两倍”呢？他和 A is twice as many as B 是一样的吗？请解答
另数学上的两个表达：a if only b,和a only if b 有什么区别，if only 和only if 的意义的区别
218.Despite protests from some waste-disposal companies, state health officials have ordered the levels of bacteria in seawater at popular beaches to be measured and that the results be published.
the levels of bacteria in seawater at popular beaches to be measured and that the results be
that seawater at popular beaches should be measured for their levels of bacteria, with the results being
the measure of levels of bacteria in seawater at popular beaches and the results to be
seawater measured at popular beaches for levels of bacteria, with their results
that the levels of bacteria in seawater at popular beaches be measured and the results
选E，但是不是电子版在选项最后少打了一个be？如果省略了，有什么道理吗
167.so是倒装结构，代替的是resemblance between Neanderthals and ape---without language
177.这个例子以前有人问过，as..as表示让步，尽管....
187.一样，都表示a是b的两倍。if only表示“只要”，only if表示“当且仅当”
218.是省略了be ,当并列结构的动词一致且时态一致时，可以省略动词。
167.
（Neanderthals had a vocal tract resembling an ape's ） and so were probably without language, a shortcoming that may explain why they were supplanted by our own species.
so ... 是什么结构，so指的是什么？
我理解：
第一、此处so并不是表示倒装，而是表示结果语气："因此"；
第二、so were与had并列谓语，其主语是Neanderthals。
