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【单选题】
近岸式固定码头特点是（）
A.
船随水位涨落升降
B.
整体性好，结构坚固耐久，施工作业简单
C.
借助引桥将泊位引向深水处
D.
适合风浪较大时作业
参考答案：
参考解析：
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【单选题】Most gulls don"t bother to learn more than the simplest facts of flights how to get from shore to food and back again. For most gulls, it is not flying that matter, but eating. For this gull, though, ...
A.
They wanted to learn from Jonathan Livingston Seagull in practicing flight skills
B.
His parents encouraged Jonathan Livingston Seagull to improve his techniques
C.
They felt shameful when they saw the low flying by Jonathan Livingston Seagull
D.
They could not understand why Jonathan Livingston Seagull spent energy and time experimenting slides