在面向对象方法中,______描述的是具有相似属性与操作的一组对象。
参考答案:类
解析: 在面向对象方法中,把具有相同属性和方法的对象称为类,类是对象的抽象,对象是类的实例。
关于原发性脊柱侧凸的说法正确的是
A.又称特发性脊柱侧凸
B.其中女性多于男性
C.主要病因为遗传因素
D.一般只引起外观异常
E.婴儿期可药物预防X线片即可确诊
按要求完成句子。
1. He's going to tell me all about it.(改为一般疑问句)
____ he ____ ____ tell me all about it?
2. They are going to visit the West Lake.(改为否定句)
They to visit the West Lake.
3. She's going to work hard at English this term.(对画线部分提问)
she _this term?
4. They are going to leave next Tuesday.(对画线部分提问)
they going to leave?
5. The children are going to the zoo by bike.(对画线部分提问)
the children ____ to the zoo?
6. Jessy is going to hold a welcome party for her penpal.(对画线部分提问)
hold a welcome party for her pen pal.