金科大联考·河北9月高三联考(HB)英语试题

21.What must teams do before the launch week?A.Complete subscale and full-scale tests.B.Submit their proposals by Oct.27,2026.C.Have a NASA engineer as their mentor.D.Use motor ejection for backup recovery.22.What can be inferred about the competition?A.It allows any type of solid motor.B.It is only for engineering students.C.It takes months of sustained effort.D.It is more theoretical than practical.23.Where is the text most probably taken from?A.An official event notice.B.A scientific research report.C.A travel brochure.D.A college textbook.