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【单选题】
麦角新碱不用于催产和引产是因为A.
作用强大，易导致子宫强直性收缩
B.
作用比缩弱，持续时间短，效果差
C.
口服吸收慢而不完全，难以达到有效浓度
D.
对子宫颈的兴奋作用明显弱于子宫底
E.
全都不是
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反馈参考答案：
举一反三
【单选题】Vygotsky’ s theory is different from Piaget's in that the former mom emphasizes on the child's ______.
A.
exploration
B.
achievement
C.
interaction
D.
nurturing
【简答题】翻译: Luxun's Former Dwelling ________ (负有盛名) among a variety of historical spots.
【简答题】supercomputer superman supermarket superpower superabundant super-efficient super-speed superstar
【单选题】Many people enjoy ______ Luxun's articles. [ ]
A.
read
B.
reading
C.
looking
D.
too see
【简答题】super bone scan
【简答题】翻译 the former and the latter____
【单选题】Luxun’s works _______ by my brother now. ( )
A.
was translated
B.
were translated
C.
has been translated
D.
have been translated
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