83*7大约等于多少,因为()*7=(),所以83*7约等于()
83*7大约等于多少,因为()*7=(),所以83*7约等于()
已知某直线的方位角为263°,则其象限角为( ) A: 263° B: 83° C: 南西83° D: 南西7°
已知某直线的方位角为263°,则其象限角为( ) A: 263° B: 83° C: 南西83° D: 南西7°
(7)ling/o:
(7)ling/o:
7 O' clock表示时间 ______
7 O' clock表示时间 ______
The plane ______ off at 7 o’clock.
The plane ______ off at 7 o’clock.
They are____(leave) only at 7 o’clock.
They are____(leave) only at 7 o’clock.
我国现有贫困县()个。 A: 833 B: 834 C: 835 D: 832
我国现有贫困县()个。 A: 833 B: 834 C: 835 D: 832
Time of the party: on 50______ at 7 o’clock in the evening.
Time of the party: on 50______ at 7 o’clock in the evening.
He ____(get) up at 7 o’clock in the morning.
He ____(get) up at 7 o’clock in the morning.
形成碳酸氢盐的形式运输,约占二氧化碳运输总量的 A: 83% B: 88% C: 98.5% D: 7% E: 5%
形成碳酸氢盐的形式运输,约占二氧化碳运输总量的 A: 83% B: 88% C: 98.5% D: 7% E: 5%