第20题: [单项选择]What makes the space shuttle ______ is that it takes off like a rocket but lands like an airplane. A. exceptional B. strange C. unique D. rare 参考答案:C 答案解析:本题考查形容词辨析。unique“惟—的,独特的,独一无二的”(强调与众不同);exceptional“例外的,不寻常的”(强调非凡的,优异的);strange“陌生的,奇怪的,奇异的” (强调奇怪)