【单选题】Adventure racing began in Germany and sprang up from New Zealand to Jamaica.
【单选题】三原色学说认为,人体视网膜上存在三种视锥细胞分别对( )光最敏感,含有对这三种光敏感的感光色素。
【单选题】Automobile racing includes .
A.
Stock-car races , horses racing , drag racing and rally driving.
B.
Grand Prix racing , speedway racing and stock-car racing
C.
Grand Prix racing , motorcycle racing and stock-car racing
【简答题】阅读理解。 Motor racing is a very exciting sport, but it is also very erous. Racing drivers go at 200 kilometers per hour and even faster. Sometimes the cars crash (撞车) and the drivers die. This is Kir...
【单选题】在光学实验中,白色的日光可以分解为( )三原色。
【简答题】听写PartA,sectionB,task three Racing into Adventure 的前两句话(到Jamaica),朗读并上传音频和文字
【简答题】阅读理解。 Motor racing is a very exciting sport, but it is also very erous. Racing drivers go at 200 kilometers per hour and even faster. Sometimes the cars crash (撞车) and the drivers die. This is Kir...
【单选题】听力原文:(A) Two men are racing in a stadium. (B) A man and a woman are racing in a stadium. (C) Two men are jogging on a path. (D) A man and a woman are jogging on a path.