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【单选题】
下面关于Java对象之间的关联关系描述正确的是:
A.
一对一的关系就是在本类和对方类中定义同一个类型的对象
B.
一对多的关系就是一个A类类型对应多个B类类型的情况
C.
多对多的关系只需要在一方的类中引入另一方类型的集合
D.
多对多关联关系需要在本类中引入本类的集合
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参考答案：
举一反三
【单选题】My brother has _____ in Japan. [     ]
A.
pen pal
B.
a pen pal
C.
two pen pal
D.
a pen pals
查看完整题目与答案
【单选题】He bought a new building ______ top is different from others around.
A.
what
B.
which
C.
that
D.
whose
查看完整题目与答案
【单选题】But with his mother’s tender care, he managed ____.
A.
to survive
B.
to surviving
C.
survive
D.
surviving
查看完整题目与答案
【单选题】—Is this your pen? —________. [     ]
A.
Yes, it's a pen.
B.
No. it's my pen.
C.
No, it's her pen.
D.
Yes, it's her pen.
查看完整题目与答案
【简答题】When he saw from the top of the mountain, he viewed a beautiful city. ____from the top of the mountain, he viewed a beautiful city.(用分词)
查看完整题目与答案
【单选题】---Spell it, please. ---________.
A.
Yes, P-E-N, pen.
B.
P-E-N, pen.
C.
/pen/
D.
PEN
查看完整题目与答案
【单选题】—What's this? — [     ]
A.
This is a pen.
B.
That's a pen.
C.
It's a pen.
D.
It's pen.
查看完整题目与答案
【单选题】Please go and give_____. [     ]
A.
the pen to Tom
B.
to the pen
C.
to Tom the pen
D.
Tom to the pen
查看完整题目与答案
【简答题】Gregg Bleakney’s dream was to travel the Americas from top to bottom. He got the idea after he finished a long bike ride. Gregg’s friend, Brooks Allen, also liked riding a bike. The two friends talked...
查看完整题目与答案
【单选题】.He had a bad week. He lost his job, ________ ,his car was stolen.
A.
on top of that
B.
on top of it
C.
and on top of which
D.
on top of which
查看完整题目与答案
相关题目：
【单选题】My brother has _____ in Japan. [     ]
A.
pen pal
B.
a pen pal
C.
two pen pal
D.
a pen pals
查看完整题目与答案
【单选题】He bought a new building ______ top is different from others around.
A.
what
B.
which
C.
that
D.
whose
查看完整题目与答案
【单选题】But with his mother’s tender care, he managed ____.
A.
to survive
B.
to surviving
C.
survive
D.
surviving
查看完整题目与答案
【单选题】—Is this your pen? —________. [     ]
A.
Yes, it's a pen.
B.
No. it's my pen.
C.
No, it's her pen.
D.
Yes, it's her pen.
查看完整题目与答案
【简答题】When he saw from the top of the mountain, he viewed a beautiful city. ____from the top of the mountain, he viewed a beautiful city.(用分词)
查看完整题目与答案
【单选题】---Spell it, please. ---________.
A.
Yes, P-E-N, pen.
B.
P-E-N, pen.
C.
/pen/
D.
PEN
查看完整题目与答案
【单选题】—What's this? — [     ]
A.
This is a pen.
B.
That's a pen.
C.
It's a pen.
D.
It's pen.
查看完整题目与答案
【单选题】Please go and give_____. [     ]
A.
the pen to Tom
B.
to the pen
C.
to Tom the pen
D.
Tom to the pen
查看完整题目与答案
【简答题】Gregg Bleakney’s dream was to travel the Americas from top to bottom. He got the idea after he finished a long bike ride. Gregg’s friend, Brooks Allen, also liked riding a bike. The two friends talked...
查看完整题目与答案
【单选题】.He had a bad week. He lost his job, ________ ,his car was stolen.
A.
on top of that
B.
on top of it
C.
and on top of which
D.
on top of which
查看完整题目与答案
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