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【单选题】
马拉松跑中机体的能量供应为氧化能系统，乳酸能系统不参加供能。( )A.
正确
B.
错误
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参考答案：
参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【单选题】'I missed the train home last night.''So ______'
A.
have I
B.
I have
C.
did I
D.
I did
【单选题】Yesterday, I arrived at the bus stop so late that I ______ missed the last bus.
A.
only
B.
fairly
C.
solely
D.
narrowly
【单选题】I must go now; I can’t risk the last bus. A) missed B) to be missed C) missing D) to miss
A.
missed
B.
to be missed
C.
missing
D.
to miss
【简答题】符合结构化原则的三种基本控制结构为：顺序结构、选择结构和 【3】。
【简答题】I missed the last bus last night, so I could not but __________ all the way home. [A] walking [B] to walk [C] have walked [D] walk
【单选题】I missed the last bus. I could do nothing but______in the village for the night.
A.
to stay
B.
stay
C.
staying
D.
stayed
【单选题】47岁妇女,近一年来月经周期缩短,经期延长,此次经量多且持续12日,检查子宫稍大、稍软。本例止血措施应选择:( )
A.
给予孕激素
B.
给予大剂量雌激素
C.
给予大剂量孕激素
D.
给予大剂量雄激素
E.
立即行刮宫术
【简答题】符合结构化原则的三种基本控制结构为：顺序结构，选择结构和 【3】 。
【单选题】I missed the last bus and had no money for a taxi; so I could do nothing but_______ home last night.
A.
to walking
B.
walk
C.
walking
D.
walked
【简答题】简述确知信号、随相信号和起伏信号的特点
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