【評論主題】6. 如圖(12)，有一圓 O，  ⊥ ，  ⊥ ，  ＝16，＝6， ＝4，則  ＝___________ 。

【評論內容】

使顯著, 使突出; 強調

【評論主題】1. The team members were all hot and "exhausted" after thegame.(A) dirty (B) tired (C) act

【評論內容】exhausted 精疲力竭的