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【单选题】
如图箭头所示,圆锥被截后,截交线形状是( )A.
双曲线
B.
抛物线
C.
三角形
D.
椭圆弧
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反馈参考答案：
举一反三
【单选题】.陈女士,23岁,G1P0,孕38周,规律宫缩11小时,肛查宫口开大8cm,该孕妇处于产程的
A.
常活跃期
B.
伏期延长
C.
跃期延长
D.
常第二产程
E.
一产程延长
【单选题】.陈女士,23岁,G1P0,孕38周,规律宫缩11小时,肛查宫口开大8cm,该孕妇处于产程的
A.
正常活跃期
B.
潜伏期延长
C.
活跃期延长
D.
正常第二产程
E.
第一产程延长
【简答题】什么是涡流效应?什么是集肤效应?
【单选题】陈女士,23岁,G1P0,妊娠38周,规律宫缩11小时。肛查:宫口开大8cm,该孕妇处于产程的
A.
正常活跃期
B.
潜伏期延长
C.
活跃期延长
D.
正常第二产程
E.
第一产程延长
【简答题】lightning strike-1.mp4 When ______ later examines the accident, they find chain of s leading up to the disaster. 40 minutes into the journey, flights _______ Lightning hit the aircraft _______ . ...
【单选题】Which of the following statements is true, according to the passage?
A.
Andrew Carnegie believes that poverty has an unbearable sin.
B.
Andrew Carnegie believes that poverty has an admirable virtue.
C.
Andrew Carnegie believes that poverty has some despicable vice.
D.
Andrew Carnegie believes that poverty has some desirable merit.
【单选题】The last paragraph suggests that
A.
people are not able to make important decisions when hungry.
B.
decisions made on all empty stomach may be unreasonable．
C.
people are less intelligent when they are hungry．
D.
people are more intelligent when they are hungry．
【单选题】Which of the following statements is true, according to the passage?
A.
Andrew Carnegie was successful in his bold investments.
B.
Andrew Carnegie put all his money into one basket for safety.
C.
Andrew Carnegie became wealthy by merging his companies.
D.
Andrew Carnegie made his first investment in the steel industry.
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