单项选择题

Creating a relatively simple model of the known ecosystem requires a tremendous amount of work even withset of data at our disposal; creating an accurate model for less well-understood ecosystems might well provepursuit.

A． a comprehensive … a quixotic
B． an expansive … a realistic
C． a consequential … a viable
D． an unproven … a feasible
E． an incomplete … an impossible

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单项选择题

The idea of______, whether the biblical version or the Enlightenment's, is at bottom a tragic notion, for it implies that individual human choices count for nothing against the weight of______, overwhelming protective force.

A． godlessness … a heretic
B． providence … an inexorable
C． destiny … a resentful
D． disaster … a catastrophic
E． fate … a paternal

单项选择题

SUPPLANT: REPLACE::

A． taste: devour
B． sacrifice : rebuke
C． sue : arrest
D． pilfer : embezzle
E． beseech: request

Creating a relatively simple model of the known ecosystem requires a tremendous amount of work even with______set of data at our disposal; creating an accurate model for less well-understood ecosystems might well prove______pursuit.

Creating a relatively simple model of the known ecosystem requires a tremendous amount of work even withset of data at our disposal; creating an accurate model for less well-understood ecosystems might well provepursuit.