try-catch-finally语句中（）获取并使用资源？

A:try B:catch C:finally D:throw

try-catch-finally语句中（）处理异常情况？

A:try B:catch C:finally D:throw

try-catch-finally语句中（）释放资源？

A:try B:catch C:finally D:throw

There is no point ______ to persuade him to have one more try.

A:to try B:of trying C:in trying D:if you try

设有结构体类型定义：
struct try
int one;
float two;
*str;
若要动态开辟一个结构单元，使指针str指向其首地址，正确的语句是______。

A:str=(try*)malloc(sizeof(try)); B:*str=(struct try*)malloc(sizeof(struct try)); C:str=(strucy try*)malloc(sizeof(struct try)); D:str=(struc try)malloc(sizeof(struct try));

使用( )关键字来跳出try块和进入finally块。

A:catch B:return C:while D:try

使用( )关键字来跳出try块和进入finally块。

A:catch B:return C:while D:try

设有结构体类型定义：
struct try
int one;
float two;
*str;
若要动态开辟一个结构单元，使指针str指向其首地址，正确的语句是______。

A:str=(try*)malloc(sizeof(try)); B:*str=(struct try*)malloc(sizeof(struct try)); C:str=(strucy try*)malloc(sizeof(struct try)); D:str=(struc try)malloc(sizeof(struct try));