Public schools in the United States have to be ____about religion, even though they close for holida

35. Public schools in the United States have to be ____about religion, even though they close for holidays like Christmas.
A. negative B. neutral C. pessimistic D. passive
【答案】B
【解析】
【详解】考查形容词词义辨析。句意：美国的公立学校虽然在圣诞节等节日关闭，但对宗教信仰必须保持中立。A. negative消极的；B. neutral中立的；C. pessimistic悲观的；D. passive被动的。结合常识和上文“Public schools in the United States have to be”可知美国的公立学校对宗教信仰必须保持中立。故选B。