Plane can’t fly very high because ________.
举一反三
- A plane can't fly to the moon because ______. A: the moon is 240 kilometer far away B: we don't know where it is C: it can't fly without air D: there is no air on the moon
- Pesticides must be burned at very high temperature because high temperatures can limit ______.
- Though I can't make the model ship _______ faster, the model plane can be made _______ higher by any of the boys here. A: sail; to fly B: to sail; fly C: to sail; to fly D: sail; fly
- Some materials(物质) have a very high resistance(电阻), because of which they can be used as insulators(绝缘体) to prevent the leakage of current.
- Modern plastics can ______ very high and very low temperatures.