求下列函数的微分：[tex=11.143x1.571]0PzFGlWNLd7Qdk2/vl5gi7mKHy82g/O8bmLLFyarzmJS/dWqMRSW/BBIeChlFO0J[/tex]

What will happen（） A: The man will pick the woman up at 8 o’clock. B: There will be a party at 8 o’clock. C: There will be a meeting at 8 o’clock.

画出普通外圆车刀标注角度图。已知γo=15,αo=8°,κr=45°,κr’=45°,τs=6°,αo'=8°

They started readingat 8 o’clock.

You _________________ (come) to the class at 8 o’clock.

下列不能正确进行字符串初始化的是（ ）。 A: char str[8] = {'g', 'o', 'o', 'd', '!','\0'}; B: char str[8] = "good!"; C: char *str = "good!"; D: char str[] = {'g', 'o', 'o', 'd', '!'};

以下哪种情况应优先采取措施___。 A: S=9、O=3、D=3 B: S=3、O=9、D=3 C: S=3、O=3、D=9 D: S=5、O=8、D=8

The first class begins _______ 8 o’clock ______ the morning.

下面是对一维数组a的初始化,其中不正确的是（ )。 A: char a[8]={'good"} B: char a[8]={g','o','o','d'}; C: char a[81=' '; D: char a[8]="hello";

以下不能正确进行字符串初始化的语句是： A: char str[5] = "good!"; B: char str[5] = {'g', 'o', 'o', 'd', '!'}; C: char str[] = {'g', 'o', 'o', 'd', '!'}; D: char str[] = "good!"; E: char str[8] = "good!"; F: char *str = "good!"; G: char str[8] = {'g', 'o', 'o', 'd', '!'};