The word “horse-power” was first used two hundred years ago.James Watt from a worker’s family made the world first widely used steam engine.At first,he couldn’t tell people how powerful it was,because there were no units at that time.Watt decided to find out how much work one ...
【题文】阅读理解阅读下列短文,从每题所给的四个选项(A、B、C和D)中,选出最佳选项。AMost people usually traveled by ship and train which are driven by steam engine. It played an important part in many kinds of vehicles several scores of years ago. Who invented steam engine and what units ...
阅读下列短文,从每题所给的四个选项(A、B、C和D)中,选出最佳选项。 A Mostpeopleusuallytraveledbyshipandtrainwhicharedrivenbysteamengine.Itplayedanimportantpartinmanykindsofvehiclesseveralscoresofyearsago.Whoinventedsteamengineandwhatunitscouldbeusedtomeasurethepowerofengine?
Most people usually traveled by ship and train which are driven by steam engine.It played an important part in many kinds of vehicles several scores of years ago.Who invented steam engine and what units could be used to measure the power of engine?The word “horse-power” was first used ...
单选Most people usually traveled by ship and train which are driven by steam engine. It played an important part in many kinds of vehicles several scores of years ago. Who invented steam engine and what units could be used to measure the power of engine? The word “horse-power” was first...
中国大学MOOC: Most people usually traveled by ship and train which are driven by steam engine. It played an important part in many kinds of vehicles several scores of years ago. Who invented steam engine and what units could be used to measure the power of engine? The word “horse-power...
Most people usually travel (31)train or plane. But Tom Turcich was different. He traveled around the world on foot. A few years ago, one of Tom's friends died. That made him sad and he realized (意识到) life was very short. After the(32)) days, he decided to see the outside ...
Most people usually traveled by ship and train which are driven by steam engine. It played an important part in many kinds of vehicles several scores of years ago. Who invented steam engine and what units could be used to measure the power ..
Most people usually traveled by ship and train which are driven by steam engine. It played an important part in many kinds of vehicles several scores of years ago. Who invented steam engine and what units could be used to measure the power of engine The word “horse-power” was first used...
A.In the past people traveled on horseback. B.In the past people made trips from day to day slowly. C.In the past some wise travelers could make their trips even at night. D.In the past people usually traveled slowly so that they could enjoy what they saw. ...