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【多选题】
脊柱的描述正确的是A.
由全部椎骨、骶骨和尾骨以及其间的骨连结构成
B.
各椎骨的椎椎管，容纳脊髓及其被膜
C.
从侧面观，脊柱有四个生理弯曲，其中颈曲、腰曲凸向后，胸骶曲凸向前
D.
可作屈、伸、侧屈、旋转和环转运动
E.
参与胸腔、腹腔及盆腔后壁的构成
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【简答题】在如图 11 所示的电路中,已知 R 2 =R 4 , A 、 C 间电压 U AC = 15V , B 、 D 间电压 U BD = 7V ,则 A 、 E 间 U AE =______ 。
【单选题】Instead of devoting large parts of our days ______ our loved ones, we replace them with something called "quality time," which, more often than not, is ____ time at all.
A.
to; not
B.
for; no
C.
to ; no
D.
on; not
【简答题】Even our personal relationships have become compressed. Instead of devoting large parts of our days to our loved ones, we replace them with something called “quality time”, which, more often than not,...
【简答题】简述我国宪法的基本特征。
【简答题】Do you think the following paragraph unified? Please Justify your reason in no less than 20 words. 1. There are few places in the world today that have not been spoiled by industrial development and p...
【简答题】如图(a)所示电路中，直流电压源U S =100V，R 1 =5Ω，R 2 =15Ω，R 3 =10Ω，电路原已达到稳态。在t=0时，断开开关S，试求t=0 + 时i L 、u C 、u R2 、u R3 、i C 、u L 。
【简答题】简要说明近代宪法的基本特征。
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