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题库 / Prep2007E1-SC-121
When the temperature of a gas is increased, it is either accompanied by an increase in pressure if the gas is enclosed in a container, or an increase in volume if the gas is able to expand.
When the temperature of a gas is increased, it is either accompanied by an increase in pressure if the gas is enclosed in a container, or
When the temperature of a gas is increased, it is accompanied either by an increase in pressure if it is enclosed in a container or
When the temperature of a gas is increased, the increase is either accompanied by an increase in pressure if the gas is enclosed in a container or by
Any increase in the temperature of a gas is either accompanied by an increase in pressure if it is enclosed in a container, or by
Any increase in the temperature of a gas is accompanied either by an increase in pressure if the gas is enclosed in a container or by
it's actually an issue of parallelism, not idiomatic usage. remember that two-part parallel constructions (such as "either ... or ...") must be exactly parallel grammatically.
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