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【单选题】
心电图 QRS 复合波反映:A.
心房去极化；
B.
心房复极化；
C.
心室去极化；
D.
心室复极化；
E.
心室去极化和复极化；
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反馈参考答案：
举一反三
【简答题】知道什么最吓人的吗? 如果每个人只有一佃女人适合他呢?
【单选题】— He hardly hurt himself in the accident, did he﹖ —_______ He is always careless.
A.
No, he did.
B.
Yes, he did.
C.
No, he didn’t.
【简答题】How did children feel to be with her? The children were always ______ to be with her.
【单选题】关于斜坡变形破坏的基本单元描述,下面描述错误的的( )
A.
拉裂为拉断破坏，包括拉应力为主造成的拉裂和以压应力为主造成的压致拉裂
B.
蠕滑为剪切变形为主，包括沿斜坡某潜在剪切面的剪切蠕变、沿原有结构面的滑移和介于两者之间的蠕变 - 滑移，及蠕滑
C.
弯曲是指弯曲变形，按照受力方式可分为背斜与向斜，按约束方式，可以分为简支梁、外伸梁和悬臂梁。
D.
塑流是岩土体中软弱层的压缩和向凌空面方向的塑性流动
【简答题】Children always did not do what their parents wanted them to do. They did the things in their own ways. But they always made their parents very happy. Old Mr. Brown had a little son named Tom. He was ...
【单选题】When he did go to school, he ______.
A.
was always late
B.
tried to leave early
C.
was always happy.
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