下述上颌第二磨牙与上颌第一磨牙的形态差别的描述中不正确的是
A. 上颌第二磨牙有四尖形和类三尖形
B. 上颌第二磨牙的斜嵴不明显
C. 上颌第二磨牙牙冠较窄
D. 上颌第二磨牙牙根分叉度较上颌第一磨牙小
E. 上颌第二磨牙近、远中舌尖大小相等
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建设工程施工进度控制目标体系中，按施工阶段分解，划定( )。
A. 各单位工程施工工期
B. 进度控制分界点
C. 各单位工程施工目标
D. 进度控制责任
What can help therapists decide whether a divorced one needs counseling or not
A. The correct interpretation of his or her dreams by scientists.
B. The records of his or her dreams for a long period of time.
C. Advanced devices that can probe the content of his or her dreams.
D. His or her emotional attitude towards the ex-spouse in dreams.
What can we infer from the last paragraph
A. We know what happens in our head at night through thinking.
B. The dreams we related when we are awake help interpret our dreams.
C. Scientists can guess the content of our dreams without devices.
D. We ourselves can interpret our dreams if we have advanced devices.
决定工程质量的关键环节是( )。
A. 工程可行性研究
B. 工程施工
C. 工程验收
D. 工程设计质量
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