按照逆转录病毒致病作用的不同,可将其分为3个亚科,分别是(),()和().
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Which are syntactically valid statement at// point x?() class Person { private int a; public int change(int m){ return m; } } public class Teacher extends Person { public int b; public static void main(String arg[]){ Person p = new Person(); Teacher t = new Teacher(); int i; // point x } }
A. i = m;
B. i = b;
C. i = p.a;
D. i = p.change(30);
E. i = t.b.
下列用甘蔗或糖蜜为原料制成的烈性酒是()。
A. 金酒
B. 白兰地
C. 伏特加
D. 朗姆
尼克本来以为盖茨比是个红光满面、肥头大耳的中年人()
A. 正确
B. 错误
A fishing vessel casualty must be reported to the Coast Guard if it involves().
A. loss of life
B. an injury requiring only first aid
C. $(SA)10,000 in property damage
D. loss of equipment which doesn't reduce the vessel's maneuverability