科目:初中英語 來源: 題型:閱讀表達
Name and Material of The Traffic Light | Being Invented Date and Place | Inventor |
The first traffic lights looked like railway signals with red and green gas lamps for night use. | on December 10,1868, in London | J.P.Knight |
The modern electric traffic lights were red-green electric traffic lights. | in 1912, in Salt Lake City | policeman called Lester Wire |
A traffic signal system had two colors,red and green,and a buzzer(報警器). | on August 5,1914, an American Traffic Signal Company | James Hoge |
The first four-way,three-color traffic light | In 9120,in Detroit, Michigan | a police officer called William Potts |
查看答案和解析>>
科目:初中英語 來源: 題型:句型轉換
查看答案和解析>>
科目:初中英語 來源: 題型:解答題
查看答案和解析>>
科目:初中英語 來源: 題型:選擇題
A. | experience; experience | B. | experiences; experiences | ||
C. | experiences; experience | D. | experience; experiences |
查看答案和解析>>
科目:初中英語 來源: 題型:選擇題
A. | be | B. | was | C. | has | D. | have |
查看答案和解析>>
科目:初中英語 來源: 題型:選擇題
A. | study | B. | were studying | C. | will study | D. | have studied |
查看答案和解析>>
湖北省互聯網違法和不良信息舉報平臺 | 網上有害信息舉報專區 | 電信詐騙舉報專區 | 涉歷史虛無主義有害信息舉報專區 | 涉企侵權舉報專區
違法和不良信息舉報電話:027-86699610 舉報郵箱:58377363@163.com