1.why was the invention of the komaatik important to the exploration of the Arctic2.how does wearing snowshoes prevent you from sinking into deep snow 3.what extremes in the Arctic environment have the inuit overcome with technology

Edison was one of the greatest -----(invent)in history. 1.it was not until she look off her dark glasses that i ___(recognize)the she was a famous film star.2.the doctor said,why not ___(try,take)exercise to lose weight?3.Charles Cabbage is generally considered ___(invent)the first computer4.___(determin 英语翻译1.While the alien __ a souvenir,the girl called the police.(A)A.was buying B.bought C.buys D.is buying2.When __the car__?Sorry,i do not know.（c）A.does,invent B.did,invent C.was,invent 3.Great changes __ in Tongren in the five years.(b When ______ the car ________?选项:a、did,invent b、was,invented c、does,invenWhen ______ the car ________?选项:a、did,invent b、was,invented c、does,invent d、in,invented Why was the river rich? Who ▁the paper in the world?Cai Lun▁.A invented；did B was invented；was C did invent；was creat和invent有什么不同?do you know the universe was ___?为什么要填created?而不是invented? 1.Before Mary came here,she_____(study) inAustralia.2.As nothing could_______(do)at that moment.3.It was the thirld time that the girl_______(invent)himto her party. Why was the American civil war? why was the teacher very angry? Why KoKo was slow in the race? Why was the writer is aunt surprised? Why was Pat fast in the race? Why was the writer is aunt surprised? The reason why he was late was true . The machine ___(invent) many years ago. Who ____ the electric lights?(invent) Thomas Edison was the___(invent)of over one thousand___（invent）.