The woman is trying to make Bob see the disadvantages of traveling by air.
举一反三
- What made the woman nervous A: Traveling by air. B: Traveling in a rough sea. C: Traveling in a small boat.
- When did the woman see Bob（） A: 2: 00. B: 4: 00. C: 5: 00. D: 6: 00.
- ______ like ______ by air. A: Greens, travelling B: The Green, traveling C: The Greens, travel D: The Greens, traveling
- The pressure of pilot air is usually （） than that of starting air.
- 词汇与结构 Warm air is less dense than cool air, and _____ air is less dense than dry air.