A:In the end
B: After all
C: All in all
D:In other word
译字有误的是( )。
- Do you think the Stars will beat the Bulls?- Yes. They have better players, so I_______ them to win.
在三棱柱ABC﹣A1B1C1中,AA1⊥BC,∠A1AC=60°,AA1=AC=BC=1,A1B=2.
(1)求证:平面A1BC⊥平面ACC1A1;
(2)如果D为AB的中点,求证:BC1∥平面A1CD.