局部麻醉的并发症包括
A.晕厥B.过敏、中毒或肾上腺素反应C.血肿、感染D.神经损伤、暂时性面瘫或牙关紧闭E.以上都是
参考答案:E
设A为已定义的类名,以下声明类A的对象a的语句中正确的是( )。
A.float A a;
B.public A a=A();
C.A a=new int()
D.A a=new A();
It is said that Chinese students tend not to challenge authority or _____different opinions and prefer to accept other’s views.
A.speak
B.distinguish
C.say
D.air