皮皮学，免费搜题
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搜题
【单选题】
有关腹直肌的描述，错误的是A.
位于腹直肌鞘内
B.
有 3-4 条横行的腱划
C.
起自耻骨嵴
D.
止于胸骨剑突
E.
收缩降肋助
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参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【单选题】Now that she is out of a job, Lucy _____ going back to school, but she hasn’t decided yet.
A.
had considered
B.
has been considering
C.
has been completed
D.
is going to consider
【单选题】Now that she is out of job, Lucy ___ going back to school, but she hasn’t decided yet.
A.
had considered
B.
has been considering
C.
considered
D.
is going to consider
【简答题】什么是凹贝纹痕迹?
【单选题】下列关于玻璃破坏痕迹证明受力方向的说法不正确的是( )。
A.
存在碎齿痕迹的一面为非受力面。
B.
放射状裂纹是从非受力面开始，向受力面一侧扩展，所以裂纹未穿透的一侧为受力面。
C.
存在凹贝纹痕迹的一侧为非受力面。
D.
玻璃在外力作用下，有的同时也产生同心圆状裂纹（受力面产生），它所证明受力方向的痕迹特征正好和放射状裂纹所指明方向的痕迹特征相反。
【单选题】Now that she is out of work, Lucy going back to school, but she hasn't decided yet. [ ]
A.
had considered
B.
considered
C.
has been considering
D.
is going to consider
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