1. When faced with something we don't understand, we need to be about it instead of sticking to the fixed theories
A. particular B. curious
C. concerned D. cautious
【答案】B
【解析】
【详解】考查形容词词义辨析。句意：当面对我们不理解的事情时，我们需要对它感到好奇，而不是坚持固定的理论。A. particular 特别的；B. curious好奇的；C. concerned 关心的；D. cautious谨慎的。根据“instead of sticking to the fixed theories”可知，我们需要对它感到好奇，而不是坚持固定的理论。be curious about对…….充满好奇。故选B。
