It’s impossible for people to spin 1260 degrees in the air.
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举一反三
- _________(pollute) air and water will do harm to people's health.
- 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.
- People play it in the open air.
- The air after the rain is excellent. I love to _____ ( 吸入 ) the clean air.
内容
- 0
Too much ________ dirty air can cause people to suffer from allergies and diseases that will eventually affect people’s health.
- 1
Electric vehicles will save a lot of air (pollute)______ because there will be emission of CO2 in the air.
- 2
Electric vehicles will save a lot of air (pollute)______ because there will be no mission of CO2 in the air.
- 3
Electric vehicles will save a lot of air (pollute) _________ because there will be no emmision of CO2 in the air.
- 4
Methane and air explosions occur in the well-known mixture range of 15% to 25% methane in air.