下面词语中加线字注音完全正确的一项是()
A:虬须(qiú)陷阱(jǐnɡ)引颈受戮(jìnɡ)
B:模样(mú)漩涡(xuàn)难以置信(zhì)
C:紊乱(wěn)嚼碎(jiáo)周道如砥(dǐ)
D:焦躁(zào)踝骨(huái)星临万户(lén)
—Could I get the passport in 20 days?
—________.Anyway,you shall have my answer tomorrow.
如图,线段AB是⊙O的直径,弦CD⊥AB,∠CAB=20°,则∠AOD等于____.