材料一：“手捧空花盆的孩子”（人教版义务教育课程标准实验教科书小学语文一年级下册）　　材料二：“测量”（人教版义务教育课程标准实验教科书小学数学三年级下册）　　材料三：“家庭小账本”（人教版义务教育课程标准实验教科书小学数学四年级上册）　　请根据以上材料任选其一进行教学设计。

口服补液及时纠正脱水，应用ORS，说法正确的是（）

材料一：“桂林山水”（人教版义务教育课程标准实验教科书小学语文四年级下册）　　材料二：“小数除法”（人教版义务教育课程标准实验教科书小学数学五年级上册）　　材料三：“我们的生活需要谁”（人教版义务教育课程标准实验教科书小学品德与社会三年级下册）　　请根据以上材料任选其一进行教学设计。

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.

When loading or discharging dry mud or cement，crew members should use goggles and（）.

Effects which are dutiable or subject to prohibitions or restrictions should be declared in （）.

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。