• 2021-04-14 问题

    中国在( )年成功发射了第一颗人造地球卫星。 A.1969 B.1970 C.1971

    中国在( )年成功发射了第一颗人造地球卫星。 A.1969 B.1970 C.1971

  • 2021-04-14 问题

    中国在()年成功发射了第一颗人造地球卫星。 A.1969 B.1970 C.1971

    中国在()年成功发射了第一颗人造地球卫星。 A.1969 B.1970 C.1971

  • 2022-06-17 问题

    软件危机出现在( ) A: 1950~1960 B: 1970~1980 C: 1960~1970 D: 1980~至今

    软件危机出现在( ) A: 1950~1960 B: 1970~1980 C: 1960~1970 D: 1980~至今

  • 2021-04-14 问题

    【单选题】我国是哪年哪月哪日发射首颗卫星? A. 1970年5月24日 B. 1970/4/21 C. 1970/3/24 D. 1970/4/24 E. 1970/4/28

    【单选题】我国是哪年哪月哪日发射首颗卫星? A. 1970年5月24日 B. 1970/4/21 C. 1970/3/24 D. 1970/4/24 E. 1970/4/28

  • 2022-06-06 问题

    All of the following statements are true EXCEPT ____. A: young people couldn't afford their own tuition in the 1970's B: it's difficult for graduates from colleges to find a job in the 1970's C: fewer parents could afford to send their children to college because of the recession in 1970's D: Birthrate dropped in the 1970's because of the recession

    All of the following statements are true EXCEPT ____. A: young people couldn't afford their own tuition in the 1970's B: it's difficult for graduates from colleges to find a job in the 1970's C: fewer parents could afford to send their children to college because of the recession in 1970's D: Birthrate dropped in the 1970's because of the recession

  • 2022-06-18 问题

    My mother was born _________ . A: in the 1970s B: in the 1970 C: in 1970s

    My mother was born _________ . A: in the 1970s B: in the 1970 C: in 1970s

  • 2022-05-31 问题

    发育生物学作为一门学科,是在下列哪个年代创立的()。 A: 1950~1960 B: 1960~1970 C: 1970~1980 D: 1980~1990

    发育生物学作为一门学科,是在下列哪个年代创立的()。 A: 1950~1960 B: 1960~1970 C: 1970~1980 D: 1980~1990

  • 2022-06-16 问题

    以集成电路为基本元件的第三代计算机出现的时间为( )。 A: 1965—1970 B: 1964—1975 C: 1960—1969 D: 1950—1970

    以集成电路为基本元件的第三代计算机出现的时间为( )。 A: 1965—1970 B: 1964—1975 C: 1960—1969 D: 1950—1970

  • 2021-04-14 问题

    He left home on 1970 and____heard of since.

    He left home on 1970 and____heard of since.

  • 2021-04-14 问题

    德国拜耳公司在1970

    德国拜耳公司在1970

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