现有: class Bird { void talk() { System.out.print("chirp "); } } class Parrot2 extends Bird { protected void talk() { System.out.print("hello "); public static void main(String [] args) { Bird [] birds = {new Bird(), new Parrot2 () }; for( Bird b : birds) b.talk () ; } } 结果是什么 ?()
第1题:
The best solution to the problem of the spread of bird flu is ______.
A. to kill all the birds in an area where bird flu has been discovered
B. to kill all the chickens
C. to kill all the birds
D. to kill all the chickens when bird flu has been discovered
39.答案为A 此题考查文章句意理解、细节定位。略读义章,发现在文章的结尾处有The best way to stop the spread of bird flu is to kill all the chickens in an area where bird flu has been discovered。注意其中的in an area where bird flu has been discovered对all the chickens的限定作用,故选A为答案。
第2题:
A bird in the hand is worth two in the ().
A、trees
B、bush
C、forest
D、cage
第3题:
What does"a bird's-eye view"mean?
A. See a view with a bird' s eyes.
B. A bird looks at a beautiful view.
C. It is a general view from a high position.
D. If is a scenic place.
第4题:
现有:classBird{voidtalk(){System.out.print("chirp");}}classParrot2extendsBird{protectedvoidtalk(){System.out.print("hello");publicstaticvoidmain(String[]args){Bird[]birds={newBird(),newParrot2()};for(Birdb:birds)b.talk();}}结果是什么?()
A.chirpchirp
B.hellohello
C.chirphello
D.编译错误
第5题:
A.hears
B.listens
C.sounds
答案:C
解析:句意:这音乐听起来像鸟鸣。sounds like 的意思是听起来像。
sounds:发出声响
hears:听说,听见(hear的第三人称单数)
listens:听,倾听;听从,听信
第6题:
The passage deals with all the following aspects bird flu EXCEPT _______.
A. the origin and history of bird flu
B. the importance of international cooperation
C. the possible dangers of a national outbreak
D. the significance of preventing it from spreading
第7题:
A、The birds
B、The bird
C、Birds
D、Bird
第8题:
A、Though
B、The moment
C、If
D、Unless
第9题:
A.packagey;
B.packagecom;
C.importcom.x.*;
D.importcom.x.y.*
第10题:
A.packagey;
B.packagecom;
C.importcom.x.y.*;
D.importcom.x.*;