iphone里是否支持try-catch？

9月11日，美国苹果公司发布两款新iPhone，分别是是iPhone5C和iPhone5S，其中iPhone5s商场标价为5688元。另外，苹果公司为iPhone和iPad等电子终端提供的应用程序，将近80%需要付费下载。据此回答题。这里付费下载的应用程序（）

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（）.

苹果（APPLE）iPhone5c支持的网络制式有：（）

一个Apple ID可以在（）部iPhone上下载软件。

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。