角色游戏中幼儿从独自游戏发展为平行游戏，反映了幼儿游戏中（）

游戏材料是幼儿游戏所用玩具和物品的总称。材料是游戏的物质支柱，是幼儿游戏的工具，如果离开了游戏材料，幼儿的游戏就难以进行。影响幼儿的游戏动机、游戏构思以及幼儿的联想和行动的材料因素有（）

幼儿游戏是对幼儿生活的反映，其（）是幼儿游戏的基础和源泉。

“游戏是幼儿的基本活动”。幼儿游戏蕴藏着发展的需要和教育的契机。请说游戏对幼儿发展的价值。

幼儿园听说游戏的设计需要有三个步骤:设置游戏情景、老师引导游戏、幼儿自主游戏。()

Every deliberate act of wrongdoing by the master or any of the crew against the ship or cargo，without the authorization or privity of the Shipowner or his agent，is（）.

（）, or drum is used for hauling in or letting out the wires or ropes which will fasten the ship to the shore.

A salvor may be（）the whole or part of the payment due under Salvage Convention to the extent that the salvage operations have become necessary or more difficult because of fault or neglect on his part or if the salvor has been guilty of fraud or other dishonest conduct.

The （） is used for hauling in or letting out the wires or ropes.

Vessels must be（）valid certificate of nationality or certificated of registry or license.

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。