When does the store open A: 8:30 am B: 9 am C: 5 pm D: 4:30 pm
When does the store open A: 8:30 am B: 9 am C: 5 pm D: 4:30 pm
旋转命令ROTATE的快捷键是( )(1)R (2)RO (3)ROT (4)RT A: (1)R B: (2)RO C: (3)ROT D: (4)RT
旋转命令ROTATE的快捷键是( )(1)R (2)RO (3)ROT (4)RT A: (1)R B: (2)RO C: (3)ROT D: (4)RT
已知am=9,an=8,ak=4,则am﹣2k+n= .
已知am=9,an=8,ak=4,则am﹣2k+n= .
I am a 3-year-old little boy. (3) _____ parents gave me a dog. (4) ______ love it very much. (5) ______ name is “Alice”.
I am a 3-year-old little boy. (3) _____ parents gave me a dog. (4) ______ love it very much. (5) ______ name is “Alice”.
Le numéro 23 est une belle maison ________ 4 étages.
Le numéro 23 est une belle maison ________ 4 étages.
已知am=3,an=4,则a3m+2n=____.
已知am=3,an=4,则a3m+2n=____.
已知am=4,an=3,则am+2n=( )
已知am=4,an=3,则am+2n=( )
已知am=4,an=3,则a3m-2n=( )
已知am=4,an=3,则a3m-2n=( )
Which of the following time is proper if you want to make an A: ? B: at 7:00 am C: at 4:00 pm D: at the midnight E: at 4:00 am
Which of the following time is proper if you want to make an A: ? B: at 7:00 am C: at 4:00 pm D: at the midnight E: at 4:00 am
某元素R的气态氢化物的化学式为H[sub]2[/]R,则它的最高价氧化物对应的水化物的化学式为() A: HRO<sub>4</sub>; B: H<sub>3</sub>RO<sub>4</sub>; C: H<sub>2</sub>RO<sub>3</sub>; D: H<sub>2</sub>RO<sub>4</sub>
某元素R的气态氢化物的化学式为H[sub]2[/]R,则它的最高价氧化物对应的水化物的化学式为() A: HRO<sub>4</sub>; B: H<sub>3</sub>RO<sub>4</sub>; C: H<sub>2</sub>RO<sub>3</sub>; D: H<sub>2</sub>RO<sub>4</sub>