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题库 / Prep2008E1-SC-221
In an attempt to guarantee the security of its innovative water purification method, the company required each employee to sign a confidentiality agreement prohibiting that its water purification methods be disclosed to companies using an analogous purification process.
prohibiting that its water purification methods be disclosed to companies
prohibiting them from the disclosing of its water purification methods to any company
prohibiting disclosure of its water purification methods to any company
that would prohibit them from disclosure of its water purification methods to companies
that would prohibit its water purification methods to be disclosed to a company
首先，我们需要知道，ing短语和从句是几乎没有区别的，例如：
(1) I remembered telling her.
(2) I remembered that I had told her.
句(1)和句(2)表达的意思是相同的，因此，ing短语和从句几乎是表意相同的。
ing短语，多是表达一种“过程”，通常在句中没有明确的时间终点；从句，一般也没有明确的时间终点。
而，名词短语则与之相反，一般在句中具有明确的时间终点，表示事情的完结。因此，名词和从句的区别是检查变化成分在语境中是否有时间终止点，这点和名词和ing的区别颇为类似。
若有时间终止点，则选名词短语；若没有没有终止点，则选从句。
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