1. The minister headed the committee.
A) was on the verge of
B) was on the basis of
C) was at the cost of
D) was in charge of
參考答案：1． D．
分析： 借助句子的句意（這位部長..委員會. ）和被選項中的核心詞含義判斷D（charge
n.主管, 掌管）合適。on the verge of adv.接近于, 瀕臨于；on the basis of prep.以...為基礎(chǔ)； at the cost of adv.以...為代價
A) was on the verge of
B) was on the basis of
C) was at the cost of
D) was in charge of
參考答案：1． D．
分析： 借助句子的句意（這位部長..委員會. ）和被選項中的核心詞含義判斷D（charge
n.主管, 掌管）合適。on the verge of adv.接近于, 瀕臨于；on the basis of prep.以...為基礎(chǔ)； at the cost of adv.以...為代價