When cats are content, they ______. (
A: growl
B: ark
C: pu
D: miaow
A: growl
B: ark
C: pu
D: miaow
举一反三
- According to the Bible story, what did Noah do when they got out of the Ark？
- When ______ fly. 太阳从西边出。 A: cats B: dogs C: fish D: pigs
- 下列抽象类的定义合法的是（ ）。 A: abstract Animal {abstract void growl();} B: abstract class Animal {abstract void growl();} C: class abstract Animal {abstract void growl();} D: abstract class Animal {abstract void growl() {System.out.println(“growl”);}}
- 下列类定义中属于合法的抽象类的定义的是（） A: A.abstract Animal{abstract void growl()} B: B.class abstract Animal{abstract void growl()} C: C.abstract class Animal{abstract void growl()} D: D.abstract class Animal{ abstract void growl(){System.out.println("growl")};}
- 下列类定义中()是合法的抽象类的定义。 A: abstract<br/>Animal {abstract void growl();} B: abstract<br/>class Animal {<br/>abstract<br/>void growl() { System.out.println(“growl”);}<br/>} C: class<br/>abstract Animal {abstract void growl();} D: abstract<br/>class Animal {abstract void growl();}