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【简答题】
写一个Java应用程序,主要是体现父类子类间的继承关系。父类:鸟,子类:麻雀、鸵鸟、鹰。子类继承父类的一些特点,如都是鸟的话就有翅膀、两条腿等,但它们各自又有各自的特点,如麻雀的年龄、体重;鸵鸟的身高、奔跑速度;鹰的捕食、飞翔高度等。
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举一反三
【单选题】扩大小肠的表面积的结构是()。
A.
环状皱襞、绒毛和微绒毛
B.
小肠腺和绒毛
C.
环形皱襞和肠腺
D.
绒毛和微绒毛
E.
环状皱襞、绒毛和柱状细胞
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【单选题】Tom likes to go to the movies _____Mary prefers to go to swimming.
A.
at the same time
B.
as soon as
C.
because
D.
while
查看完整题目与答案
【单选题】—I called you at 6 o'clock yesterday evening, but nobody answered. — I'm sorry. I my friend download the movie Kung Fu PandaⅡwhen the telephone rang,
A.
would help    
B.
helped   
C.
was helping
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【单选题】Client: Hello. May I speak to Mr. Turner? Secretary:________
A.
I'm sorry. He's at a meeting now.
B.
I am. Speak, please.
C.
Hello. Who're you, please?
D.
Hello. Thank you for calling.
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【单选题】Mary prefers ____ for a walk rather than ____ at home.
A.
to go; staying
B.
going; to stay
C.
to go; stay
D.
going; staying
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【单选题】—I called you last night, but there was no answer, —Oh, I'm sorry. I dinner at my friend's home. [     ]
A.
have
B.
had
C.
was having
D.
have had
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【单选题】--- What about inviting Mary to our party? --- You’d better not. She prefers to be ____, so far as I know.
A.
tested out
B.
rung up
C.
left alone
D.
turned around
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【单选题】— I'm sorry. I _____ at you the other day. — Forget it. I was a bit out of control myself. [     ]
A.
shouldn't shout
C.
shouldn't have shouted C. mustn't shout C. mustn't have shouted
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【判断题】小肠皱襞、绒毛和微绒毛均可扩大吸收面积。
A.
正确
B.
错误
查看完整题目与答案
【单选题】— I'm sorry. I _____ at you the other day. — Forget it. I was a bit out of control myself. [     ]
A.
shouldn't shout
B.
shouldn't have shouted
C.
mustn't shout
D.
mustn't have shouted
查看完整题目与答案
相关题目：
【单选题】扩大小肠的表面积的结构是()。
A.
环状皱襞、绒毛和微绒毛
B.
小肠腺和绒毛
C.
环形皱襞和肠腺
D.
绒毛和微绒毛
E.
环状皱襞、绒毛和柱状细胞
查看完整题目与答案
【单选题】Tom likes to go to the movies _____Mary prefers to go to swimming.
A.
at the same time
B.
as soon as
C.
because
D.
while
查看完整题目与答案
【单选题】—I called you at 6 o'clock yesterday evening, but nobody answered. — I'm sorry. I my friend download the movie Kung Fu PandaⅡwhen the telephone rang,
A.
would help    
B.
helped   
C.
was helping
查看完整题目与答案
【单选题】Client: Hello. May I speak to Mr. Turner? Secretary:________
A.
I'm sorry. He's at a meeting now.
B.
I am. Speak, please.
C.
Hello. Who're you, please?
D.
Hello. Thank you for calling.
查看完整题目与答案
【单选题】Mary prefers ____ for a walk rather than ____ at home.
A.
to go; staying
B.
going; to stay
C.
to go; stay
D.
going; staying
查看完整题目与答案
【单选题】—I called you last night, but there was no answer, —Oh, I'm sorry. I dinner at my friend's home. [     ]
A.
have
B.
had
C.
was having
D.
have had
查看完整题目与答案
【单选题】--- What about inviting Mary to our party? --- You’d better not. She prefers to be ____, so far as I know.
A.
tested out
B.
rung up
C.
left alone
D.
turned around
查看完整题目与答案
【单选题】— I'm sorry. I _____ at you the other day. — Forget it. I was a bit out of control myself. [     ]
A.
shouldn't shout
C.
shouldn't have shouted C. mustn't shout C. mustn't have shouted
查看完整题目与答案
【判断题】小肠皱襞、绒毛和微绒毛均可扩大吸收面积。
A.
正确
B.
错误
查看完整题目与答案
【单选题】— I'm sorry. I _____ at you the other day. — Forget it. I was a bit out of control myself. [     ]
A.
shouldn't shout
B.
shouldn't have shouted
C.
mustn't shout
D.
mustn't have shouted
查看完整题目与答案