The key technological innovation enabling this new business paradigm? Electronic signatures a legally binding, secure version of the handwritten signatures you use to sign paper documents today.这个问句和后面的陈述句都是省略句,都只是一个名词词组。The key technological innovation enabling this new b...
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be responsible for sth. for为responsible固定搭配的介词,介词短语为表语形容词的修饰语,传统语法称为形容词的状语,现代语法称为形容词的补足语。形容词短语作表语。be afraid of sth. 分析同上。be interested in sth 分析同上。He lives far from the station. far from分析为复合介词,介词短语作状语。He put the d...
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This is the checkout where all the food is paid for.你不可以pay the food, 你只能pay for the food. 此时的pay是不及物动词,后接for才能再接food. 即pay for sth视为短语动词,被动语态则为 the food is paid for. 二个介词连续出现,非常别扭,副词正好可以避免这种情况。所以,本句不宜用which...at替换where。
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要学会根据语境判断词性。情态动词should告诉你其后的occasion一定是不带to的不定式,是个动词,即使你没有见过occasion的动词用法,后接名词词组no surprise, 也能告诉你occasion一定是及物动词。你下面要作的简单的事就是查一下词典及物动词occasion是什么词义即可。no surprise 是及物动词occasion的宾语。至于occasion...
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1 Loosen the bolt until it goes outward for 3mm/to make it move outward for 3mm.(screw意为用螺栓固定。uncrew意为卸下螺栓。)2 move sth upward/downward/to the left/to the right for x mm/cm.
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这个练习的目的是帮助读者理解spare time的语义。所以答案应该是A,when you are not working. 如果书上给的答案为B,则为疏忽所致。
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静态动词的现在完成时主要用来表示一个状态从过去持续到现在,通常需要for或since时间状语表示该状态持续了多久或从什么时候开始。always也可以截止说话时始终存在的状态。I have known her (ever) since we were children.I have known her for over twenty years.I have always known her. since还可以表示动态动词表示的...
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