选出下列字形有误的一项：（ ）
A．按捺狡黠冗长恣意
B．亲家赝品梦靥笑靥
C．禁锢襟怀噤声落枕
D．落色落差恪守溘然
答案：B
梦靥——梦魇
A huge _____ of quilts was needed in Qinghai province since it was freezing at night.
A．number
B．plenty
C．quantity
D．quality
如图所示，该频谱为下列那支血管的频谱特点()
A．颈外动脉
B．颈内动脉
C．颈总动脉
D．颈内静脉
E．椎动脉
