词汇
根据句意和汉语意思写出所缺的单词。
（1）They found an old ship at the________(底部)of the river．
（2）I think that studying abroad has some________(有利条件)for teenagers．
（3）I want to have a talk with the________(总统)．
（4）The woman is carrying several________(塑料的)bags．
（5）I won’t buy the mobile phone even though I can________(买得起)it．