——_________ is he going to be after he leaves school?

——He's going to be a doctor.

建设祖国，振兴中华，只是成年人对祖国应尽的义务。（   ）

已知正三角形ABC的边长为1,点P是AB边上的动点,点Q是AC边上的动点,且$\overrightarrow{AP}=\lambda \overrightarrow{AB},\overrightarrow{AQ}=\left(1-\lambda \right)\overrightarrow{AC},\lambda \in R$,则$\overrightarrow{BQ}·\overrightarrow{CP}$的最大值为(  )

⑴____ A. young B. tall C. old

⑵____ A. small B. big C. than

⑶____ A. meter B. hall C. short

⑷____ A. me B. you C. him

⑸____ A. long B. taller C. older