【单选题】Why would anyone want to set aside a day to honor a lowly little groundhog? The answer to that question is not certain, but a group of people get together every February 2 in Punxsutawney, Pennsylvani...
A.
He's cute and playful, and children love to watch him.
B.
He's looking for food and the people want to help him find it in the snow.
C.
Many people believe him to be a harbinger of spring.
D.
The people want to be sure he is alive after such a long winter.
【单选题】At first glance, why anyone would want to save California condors is not entirely clear. Unlike the closely related Andean condors with their white neck fluff or king vultures with their brilliant bla...
A.
its resemblance to Andean condor
【单选题】Why would anyone believe that they would let the economy __________ into a hard landing?
【简答题】女性,18岁,右上臂创伤后疼痛、肿胀、畸形6小时就诊。体查:右上臂中段轻度肿胀,缩短畸形及反常活动。X线片示右肱骨中段横行骨折,骨折端重叠2cm。最恰当的处理方法是A、开放复位钢板螺钉内固定 B、手法复位小夹板或石膏外固定 C、开放复位髓内针内固定 D、开放复位内固定加小夹板外固定 E、持续骨牵引 采用上述方法治疗后,患肢肘关节以下严重肿胀、青紫,右手发凉、麻木,被动活动手指感剧痛,右桡动脉搏动消...
【单选题】The man was mad at me.
【简答题】夏柯(Charcot)三联征和雷诺(Reynolds)五联征分别时什么?
【单选题】()是原口动物中胚层发生和体腔形成的基本特点。
【多选题】要查找某主题文献,可先利用二次文献信息查找文献和文献线索,并进而根据文献线索获取一次文献全文,以下哪些不属于二次文献信息源?