--- It seems that the manager is very unhappy. --- Surely she is. You see, Steve left the company half an hour ago, with his work_______.
一个四棱锥和一个三棱锥恰好可以拼接成一个三棱柱.这个四棱锥的底面为正方形,且底面边长与各侧棱长相等,这个三棱锥的底面边长与各侧棱长也都相等.设四棱锥、三棱锥、三棱柱的高分别为,,,则( )
Students are encouraged to _________ the design competition for robots at the university.
Most parents are not __________ the danger of their babies’ eating jelly, which causes most unfortunate incidents to happen.
—Would you like to help us?— , no.
You can’t see things clearly through a telescope unless it is correctly ________to your sight.