The university estimates that living expenses for international students________around $8,450 a year，which________a burden for some of them.                     (2013·湖南，33)

A．are；is

B．are；are

C．is；are

D．is；is

小儿肌性斜颈的治则为：

A．健脾和胃，强筋散结，局部为主

B．补肾益气，强筋壮骨，局部与整体统一治疗

C．舒筋活血，软坚消肿，局部为主

D．温中和胃，运化水谷，局部与整体统一治疗

E．健脾益肾，实筋骨，充肌肉，局部与整体统一治疗