【单选题】How many days a week is the shop open?
A.
Five and half days a week.
C.
Six and half days a week.
【单选题】How many holiday days are there in China?
【单选题】How many days is the incubation period?
【单选题】---How many days are there in a week? ---__________.
【单选题】关于屈肌支持带的叙述,下列哪项是错误的?
B.
桡侧附于手舟骨和大多角骨,尺侧附于碗豆骨和钩骨