单项选择题

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单项选择题
An increasing proportion of our population, unable to live without advanced medical______, will become progressively more reliant on expensive technology.
A. interference
B. intrusion
C.intervention
D. interaction
单项选择题
This is unlikely I admit, but, ______, virtually nothing in the Known World could withstand it.
A. if it happens

B. should it happen
C. will it happen

D. if it will happen
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