飞机机身位置是由（）来定位的. A: ASTA、WL、BL B: BSTA C: CWL和BL D: DSTA和BL
飞机机身位置是由（）来定位的. A: ASTA、WL、BL B: BSTA C: CWL和BL D: DSTA和BL
The main purpose of the passage is to (). A: analyze Singapore’s defense system. B: summarize the contributions of DSTA. C: introduce the technical advantages of a small country. D: describe the roles and achievements of a government agency.
The main purpose of the passage is to (). A: analyze Singapore’s defense system. B: summarize the contributions of DSTA. C: introduce the technical advantages of a small country. D: describe the roles and achievements of a government agency.
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