21.In the 16th century _____ became the centre of English drama.
21.In the 16th century _____ became the centre of English drama.
21.In the 20th century, people believed that life in the future ________ easier. A: was B: had been C: will be D: would be
21.In the 20th century, people believed that life in the future ________ easier. A: was B: had been C: will be D: would be
【多选题】21题 A. 21题A B. 21题B C. 21题C D. 21题D
【多选题】21题 A. 21题A B. 21题B C. 21题C D. 21题D
40枚种蛋的孵化天数如下,问这个孵化天数与21d有和差异?(计算t值) 20 19 21 22 21 20 18 20 21 19 23 18 22 20 21 19 20 21 21 20 19 24 20 19 21 21 20 19 21 23 20 20 18 21 20 21 19 23 20 21
40枚种蛋的孵化天数如下,问这个孵化天数与21d有和差异?(计算t值) 20 19 21 22 21 20 18 20 21 19 23 18 22 20 21 19 20 21 21 20 19 24 20 19 21 21 20 19 21 23 20 20 18 21 20 21 19 23 20 21
弹奏这种伴奏音型的指法一般是() A: 4/21/5/21 B: 3/21/5/21 C: 5/21/5/21 D: 4/31/5/31
弹奏这种伴奏音型的指法一般是() A: 4/21/5/21 B: 3/21/5/21 C: 5/21/5/21 D: 4/31/5/31
估算21×79时,把21看做(),把79看做(),21×79≈()。
估算21×79时,把21看做(),把79看做(),21×79≈()。
世界睡眠日为每年的哪一天?( ) A: 2/21 B: 3/21 C: 4/21 D: 1/21
世界睡眠日为每年的哪一天?( ) A: 2/21 B: 3/21 C: 4/21 D: 1/21
7, 21, 14, 21, 63, ( ), 63
7, 21, 14, 21, 63, ( ), 63
A、21℃B、22℃C、-21℃D、-22℃
A、21℃B、22℃C、-21℃D、-22℃
可以选择输入数据或空格的输入掩码是( )。 A: “>18 Or<21” B: “>18 And <21” C: “>18 Not<21” D: “>18 Like<21”
可以选择输入数据或空格的输入掩码是( )。 A: “>18 Or<21” B: “>18 And <21” C: “>18 Not<21” D: “>18 Like<21”