多选题
When evidence is ______, reasonable people may demur, but when firm scientific proof has been supplied, they should ______ their opposition.
【正确答案】
B、D
【答案解析】[解析] ●逗号说明前后同义重复；but说明前后反义重复。
●evidence is ______与demur(反对)同义重复。rational理性的，conjectural基于推测的，tangible清晰明确的。答案选B。
●reconsider重新考虑，express表达，augment增加。答案选D。