She has been working in this factory ______. A: after 1968 B: in 1968 C: since 1968 D: for 1968
She has been working in this factory ______. A: after 1968 B: in 1968 C: since 1968 D: for 1968
第一次探月高潮发生在（）年间。 A: 1957-1968 B: 1959-1976 C: 1958-1976 D: 1956-1968
第一次探月高潮发生在（）年间。 A: 1957-1968 B: 1959-1976 C: 1958-1976 D: 1956-1968
中国发射的第一颗卫星叫“东方红”号，它是于[ ]发射升空的。 A: 1957/10/4 B: 1961/4/12 C: 1968/6/8 D: 1970/4/24
中国发射的第一颗卫星叫“东方红”号，它是于[ ]发射升空的。 A: 1957/10/4 B: 1961/4/12 C: 1968/6/8 D: 1970/4/24
11.She went to the countryside ______. a. in the morning at nine on June first,1968 b. on June first,1968 in the morning at nine c. at nine in the morning on June first,1968 d. on June first,1968 at nine in the morning A: in the morning at nine on June first,1968 B: on June first,1968 in the morning at nine C: at nine in the morning on June first,1968 D: on June first,1968 at nine in the morning
11.She went to the countryside ______. a. in the morning at nine on June first,1968 b. on June first,1968 in the morning at nine c. at nine in the morning on June first,1968 d. on June first,1968 at nine in the morning A: in the morning at nine on June first,1968 B: on June first,1968 in the morning at nine C: at nine in the morning on June first,1968 D: on June first,1968 at nine in the morning
哪一年美国计算机图形学之父伊凡·苏泽兰开发了第一个计算机图形驱动的头戴式立体显示器和头部位置跟踪系统。（） A: 1957 B: 1968 C: 1973 D: 1985
哪一年美国计算机图形学之父伊凡·苏泽兰开发了第一个计算机图形驱动的头戴式立体显示器和头部位置跟踪系统。（） A: 1957 B: 1968 C: 1973 D: 1985
1968
1968
()年,()首先试飞了超声速旅客机图144. A: 1965;美国 B: 1968;美国 C: 1965苏联 D: 1968
()年,()首先试飞了超声速旅客机图144. A: 1965;美国 B: 1968;美国 C: 1965苏联 D: 1968
中国乒乓球运动的兴起是( )时间。 A: 1961~1968 B: 1961~1969 C: 1962~1968 D: 1962~1969
中国乒乓球运动的兴起是( )时间。 A: 1961~1968 B: 1961~1969 C: 1962~1968 D: 1962~1969
第一颗人造卫星是_________发射。 A: 美国,1957 B: 美国,1967 C: 苏联,1967 D: 苏联,1957
第一颗人造卫星是_________发射。 A: 美国,1957 B: 美国,1967 C: 苏联,1967 D: 苏联,1957
1957年底，农业社会主义改造基本完成。
1957年底，农业社会主义改造基本完成。