There ought to be
less anxiety over the perceived risk of mountain climbing than ________ in the
public mind today.A exists B exist
C existing D existed这里答案说选的是A ，因为than后面引导比较状语从句省略主语anxiety所以后面用谓语动词exists .那这样我认为over就...
原句：There must be few questions on which responsible opinion is so utterly divided as on that of how much sleep we ought to have.主要是对这个as on that of 有点懵，不太理解。
Because man is not squarely within that order, but only partakes of it through athing that is threatened in its nature, intimacy, in the trembling of the individual, is holy, sacred, and suffused with anguish.这句话是什么意思？句子结构是怎样的？
Densely populated cities generate sufficient orders over a small area that they can be aggregated into daily,or even more frequent,deliveries by van.that 在这里引导什么从句吗？是不是状语从句省略了so呢？
He kept order with calm and a big smile and the sheer presence of himself, six-feet-six and with bulging muscles under his coat. 这里的状语并列关系是什么样的呢？都是什么状语？结构有点混乱，还请老师分析分析！谢谢