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举一反三
【单选题】The Space Age officially began on October 4, 1957, (1) the Soviet Union launched the modest 185-pound Sputnik Ⅰ, the first (2) satellite to orbit the earth. The following month, Russians succe- ss...
A.
called
B.
that
C.
named
D.
known
【单选题】新生儿窒息复苏最关键的是
A.
尽量清理呼吸道，保持气道通畅
B.
用5%的碳酸氢钠纠正酸中毒
C.
维持正常循环，保证心输出量
D.
应用肾上腺素
E.
应用呼吸兴奋剂兴奋呼吸中枢