词汇与结构As the airplane transitions from cruise to landing, there can be multiple, narrow regions of altitudes and airspeeds where the vibration level can become _______
举一反三
- 词汇与结构If the landing gear _________ is limited to one main landing gear leg , the pilot should consume as much fuel from that side of the airplane as practicable, thereby reducing the weight of the wing on that side.
- 词汇与结构 A slide/raft is an evacuation slide that can be used both as a means of ______ in a land evacuation and also as a life raft in a landing on water.
- Before departure, passengers don’t know where and when they can embark their cruise ship.
- It can be inferred that in many regions suffering from water stress, people are _____.
- How can you change a broad topic into a focused one?（ ）。 A: We can narrow broad topics by adding nouns derived from verbs expressing actions or relationships. B: We can narrow broad topics by adding more nouns. C: We can narrow broad topics by adding words limiting the area of application. D: We can narrow broad topics by adding words expressing research methods.