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【判断题】
在图层面板中,按住 Alt 的同时单击垃圾桶图标,可直接将选中的通道删除。A.
正确
B.
错误
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【简答题】设单片机的 f osc =6MHz ,计数器处于不同的工作方式时,最大计数范围是多少?
【简答题】请阅读以下程序，分析程序是否可以运行成功，如果运行成功，请指出p、p2、p3三个对象分别什么时候被释放，及其运行结果，否则，请说明程序运行失败的原因。 1 int main(int argc, const char * argv[]) { 2 @autoreleasepool { 3 Person *p3 = [[[Person alloc] init] autorelea...
【单选题】What does the global study tell us about people's height in the last hundred years? A.There is a remarkable difference across continents. B. The increase in people’s height has been quickening. C. The...
A.
B.
C.
D.
D
【单选题】What does the circles on the flag mean?
A.
It stands for mascots.
B.
It has a colorful meaning.
C.
It represents the continents.
D.
It is just nothing.
【单选题】What does the global study tell us about people's height in the last hundred years?
A.
There is a remarkable difference across continents.
B.
There has been a marked increase in most countries.
C.
The increase in people's height has been quickening.
D.
The increase in women's height is bigger than in men's.
【简答题】读程序,程序运行结果是_____ 。 #include void main() { float x=2.0,y; if(x<0.0) y=0.0; else if(x<5.0) y=1.0/x; else y=1.0; printf("%4.1f\n",y); } ( A ) 0.0 ( B ) 0.5 ( C ) 1.0 ( D ) 不确定
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