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【单选题】
人的胎盘属于( )。A.
散布状胎盘
B.
环状胎盘
C.
胎盘
D.
胎盘
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反馈参考答案：
举一反三
【单选题】When the tail-shaft is drawn from a vessel in dry-dock, which of the following inspections is required to be carried out?
A.
The propeller hub taper and shaft keyway should be inspected for cracks or corrosion.
B.
The stern bearing alignment with the stern frame should be checked
C.
The interior of the stern tube should be inspected for leaks
D.
The shaft liner should be removed and inspected
【简答题】完成文型、例文、对话
【判断题】when a gear is to be coupled with a shaft, the hole of the gear is used as assembly datum. However, if the shaft is to be coupled with a box, the journal of the shaft becomes assembly datum
A.
正确
B.
错误
【多选题】《侵权责任法》第89条规定:“在公共道路上堆放,倾倒,遗撒妨碍通行的物品造成他人损害的,有关单位或个人应当承担侵权责任。”本条中的公共道路包括
A.
涵洞
B.
公共停车场
C.
建筑区划内属于业主共有，允许不特定人通行的道路
D.
隧道
【简答题】完成第一课文型、例文口语作业 文型音频40秒,例文20秒内完成
【简答题】The delayed value of rotation angle of the output shaft when the rotation of input shaft turns from positive to negative is .
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