The abuse resulted in a six-week hospitalization
for injuries, among them a protruded
tailbone.——From：Time问题一：protruded作为过去分词在句中为何看起来是主动关系？即tailbone
protrudes。问题二：逗号后的among…句子成分进行逐一分析，即among them和ta...
Americans will generally do business with the company they think gives them the highest value forthe lowest price, not based on personal relationships.此句应该是两个句子，在they前面是不是应该用逗号隔开呢？
...出第二段:NBAC will ask that Clinton's 90-day ban on federal funds for human cloning be extended indefinitely, and possibly that it be made a law. But NBAC members are planning to word the recommendation narrowly to avoid new restrictions on research that involves the cloning of human DNA or ...
Um... At the beginning, yes, it was rather difficult for me to get the
right job... um. after you've lived here for one or two years you get to know
the system and then that's quite good. You know how to use libraries and oh...
you get to know where to um... call in emergencies; um... you get to kno...
...all the different parts of the body in separation from each other so that, for instance,while the whole of the rest of the body was still, they could move just a hand from the wrist or the shoulder.请问这句长句中，加黑部分为什么要用过去式？？谢谢！
Do you remember all those years when scientists argued that smoking would kill us but the doubters insisted that we did not know for sure? That the evidence was inconclusive, the science uncertain?请问老师，最后一句the science uncertain是有什么省略吗？这是什么语言现象？
The present subjunctive form of the verb to be is invariably be for all persons, and the past subjunctive form of the verb to be is invariably were. In all other verbs the subjunctive form varies from the indicative only in that， in the present tense， the third person singular ending is lost.
...nt which, even though if failed to get rid of the ants, kept me
fascinated for twenty-four hours. I bound the base of the tree with sticky
tape, making it impossible forthe
ants to reach the aphids. The tape was so stick that they did not dare to cross
it. For a long time. I watched them scurrying ...
...t an event, because it has a certain mental property (e.g., being a desire for a drink of water), enters into a causal relation (e.g., it causes you to look for a water fountain) that it would otherwise not have entered into.Mental property 心理属性：感知觉，情感，欲望等都是心理...
Your productivity is improved. Exercising makes you
more awake and ready to handle whatever is ahead of you forthe day. You can
keep your head clear for 4—10 hours after
exercise.请问这里的 after exercise 用得对吗？我感觉应该用 after
exercising，是这样吗？
...) 用动词的适当形式填空：I can still speak some French now, for I ______ (teach) Chinese in France for several years.答案是将teach改成taught(过去式），但究竟为什么不能用have taught呢？这里如果按照答案给的过去式taught，后面for 表示原因，前后...
...) 用动词的适当形式填空：I can still speak some French now, for I ______ (teach) Chinese in France for several years.答案是将teach改成taught(过去式），但究竟为什么不能用have taught呢？这里如果按照答案给的过去式taught，后面for 表示原因，前后...