婴幼儿唇腭裂整复术的麻醉最好选用
A.基础麻醉加眶下神经阻滞麻醉
B.双侧眶下神经阻滞麻醉
C.经气管插管的全身麻醉
D.经鼻腔气管插管的全身麻醉
E.基础麻醉
参考答案:C
张骞出使西域后,形成了横贯欧亚的陆上通道,这就是著名的“丝绸之路”。结合所学知识,回答下列问题。
(1)简述丝绸之路的具体路线。
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(2)通过丝绸之路,中国有哪些东西西传?
(3)通过丝绸之路,西方有哪些东西东来?
(4)丝绸之路的开辟有什么意义?
When he was in the office, he preferred ____ something ____ nothing.
A.to do; than do
B.to do; rather than
C.doing; rather than doing
D.doing; to doing