阅读下列短文，从每题所给的 A、B 、C、D 四个选项中选出最佳选项。
A
Don'tlikegettingoutoftheshower on cold mornings? Are you feeling that cold wind whenworkingor trying to relax?
The biggest issue that people have is the fact that most old-fashioned heaters are big,costa lot to runandwasteenergy.Luckily,acompanyhasrecentlyjustdevelopedaproductwhichsaves a ton of power during itsoperationandis,aboveall,smartandeasytouse!It'scalledHotixProandit'saverysmall,powerfulheaterthatconsumesmuch less energy than regularheaters.
HowDoesHotixProWork?
The ceramic element(陶瓷零件)stays warm30% longer,so it doesn't have to use muchpowerto reheat over and over again. The fan inside HotixPro then sucks the air out through thehot ceramic element and distributes it evenly throughout the room!It can heat a room upto 250squarefeetandmakeitwarmerin a few minutes,for just pennies.
WhatMakesItSoSpecial?
Oneof the amazing features it has is the programmable timer.You can program it and warmupyourbathroombeforeyou wake up.Also,its remote controller makes it very easy to adjust thetemperature. The company also kept safety in mind in the creation process --- they added a sensorwhichmakesHotixProstopcompletelyif it becomes too hot.
IsItWorthIt?
Don'tletyourqualityoflifecontinuetosuffer.Saveonexpensiveenergycosts and keepwarmduring the winter anywhere! Purchase HotixPro at half price with free worldwide shipping!21.What is the main advantage of HotixPro?
A.Itisdelicate. B.ItisefficientC.It is big. D.It is free of charge.22.How does HotixPro make a room warm?
A.Bykeeping a high temperature itself.
B.By storing the heat inside its big body.
C.By heating the ceramic element again and again.
D.Bytakingincoldair and giving off warm air.
23.Whatis a programmable timer used for?
A.Checkingthetemperatureautomatically.
B.Adjusting the temperature from a distance.
C.TurningonoroffHotixProat the set time.
D.TurningoffHotixProwhentheroomis too hot.
