A、superior conjunction
B、inferior conjunction
C、opposition
D、None of the above; the elongation will never be zero
更多“After Venus passes the point of greatest elongation east in its orbit，the first position in which the elongation will be zero is（）.”相关的问题
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A、through a detachable hose connection B、after passing through an activated charcoal filter C、after chemical analysis shows it is fit for consumption D、through a solenoid operated three-way valve
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