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题库 / Prep2007E2-SC-104
The yield per acre of coffee berries varies enormously in that a single tree, depending on both its size and on climate and altitude, could produce enough berries to make between one and twelve pounds of dried beans a year.
enormously in that a single tree, depending on both its size and on climate and altitude, could produce
enormously in that a single tree, dependent on its size and also on climate and altitude, is able to produce
enormously, because a single tree, depending on its size and on climate and altitude, is able to produce
enormously, because a single tree, being dependent on its size, climate, and altitude, is capable of producing
enormously, because a single tree, dependent both on its size as well as on climate and altitude, could produce
（1）过去将来时
（2）委婉语气
（3）虚拟语气，表示与未来/现在相反的情况
can/able/capability：
can：有生命+无生命，主动+被动
be able to：有生命，如人、动物、植物、细菌，主动
be capable of：无生命，也可以用于人或动物，主动
with modifiers that serve as adjectives (such as "..., which ..."), it's crucial that you isolate the single noun modified by the modifier.
on the other hand, with adverbial modifiers, it's unimportant to isolate the single word being modified, because the placement of the modifier isn't restricted anywhere near as severely as with adjective-type modifiers.
the problem lies in the different meanings of the 2 words. "dependent" refers to reliance on another for some kind of support (as in "my children are dependent on me for their food and shelter"). so not only is that choice sketchy in terms of grammar, but its meaning is also all kinds of wrong: it makes no sense to say that a tree is "dependent" on its size (does its size provide it with food or water? etc)
B：The tree is not 【dependent】 on anything. The production of Berries depends on the size of the tree and climate and altitude.
Verb-ed modifier can only modify the closest noun. 过去分词只能就近修饰名词
C：The sentence fragment "depending on both its size and on climate and altitude" 分类平行结构【its size】and【climate and altitude】✔
D：【 being】 is not required -> remove the being and change 【dependent】 to depending -> the sentence is great. 【of producing】表intent用不定式；
E：【dependent】错，【as well as】删去句子结构不完整，【could】改为一般现在时。
A 不平行
用depend，而不是dependent
Could 只能表示可能性，表示能力不能替代can
depending on...---modifies verb
depending on...---modifies verb