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یعد از is کدوم گزینه درست تره ؟
٩ ماه پیش
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The principal purpose of aviation medicine is ——
by people aboard an aircraft in flight.
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to study the stress experienced
٢ پاسخ
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study the experienced stress
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to study stress experiencing
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study the stress experience
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٢ پاسخ
مرتب سازی بر اساس:
پاسخ شما
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