多选题 Nightjars possess a camouflage perhaps unparalleled in the bird world: by day they roost hidden in shady woods, so ______ with their surroundings that they are nearly impossible to ______.

A、 vexed
B、 blended
C、 segregated
D、 dislodge
E、 discern
F、 construe

【正确答案】 B、E

【答案解析】[解析] ●so...that...说明前后同义重复；impossible取反。
●设空处______ with their surroundings和impossible to ______都与camouflage(伪装)同义重复。
●vexed恼怒的，blended融合的，segregated分离的；dislodge移动，discern识别，construe解释。答案选BE。