Tolong bantu sayaaa A ceiling fan is a mechanical fan. It is usually electrically powered and it is suspended from the ceiling of a room. It also uses hub-mounted rotating paddels to calculate air. Ceiling fans rotate much more slowly than an electric desk fan. They cool people effectively by introduce slow movement into the otherwise still, hot air of a room, inducing evaporative cooling. Unlike air conditioners, fans only move air-they do not direcly change its temperature. Some ceiling fans have adjustable blade pitch instead of reversible motor. Answer the following questions. 1. "It is usually electrically powered". What does "it" refer to? 2. Why do we use the pronoun "it"? 3. "They cool people effectively...." What does "they" refer to? 4. When do we use the pronoun "they"? 5. "Some ceiling fans have adjustable blade pitch instead of reversible motor." What does "reversible" word mean? 6. Do all ceiling fans have adjustable blad pitch? Why/why not? 7. So what is the use of "some" in this sentence? 8. Can we change "some" with "most" or "all"? What do the sentence mean, then?
rahmatlord
1. ceiling fan 2. because its an object 3. ceiling fan
2. because its an object
3. ceiling fan
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