单项选择题

设向量,向量与正交,且 ,则 ( )。 A.

B.

C.

D.

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教会孙悟空七十二变的是他的哪位师傅？

答案：正确答案：菩提祖师

单项选择题

Gandhi's London lifestyle incorporated the values he had grown up with. When he returned to India in 1891, his outlook was parochial and he could not make a living as a ( ).

A．doctor
B．lawyer
C．Salesperson
D．Clerk