Visual Basic标题栏上显示了应用程序的( )。A. 子类的访问权限比父

题型:单项选择题

问题:

Visual Basic标题栏上显示了应用程序的( )。

A. 子类的访问权限比父类方法的访问权限要高

B. 继承性是面向对象方法的一个重要特征,它使代码可重用,可降低程序的复杂性

C. 子类方法不能产生比父类方法更多的异常

D. 重写是指子类的成员方法与父类的成员方法名字相同,参数列表相同,方法体不同

考点:计算机等级考试VISUALBASIC计算机二级(VB)17
题型:单项选择题

为了提高管模寿命要尽量提高铁水浇注温度。

题型:单项选择题

吕纯阳祖师圣迹是?

题型:单项选择题

女性患者,23岁,1个月前于当地结核病院诊断为继发性肺结核,予抗结核药物治疗,症状明显好转。3d前着凉后突然出现寒战、高热,咳大量脓臭痰,伴气短,X线胸片见右肺上叶厚壁空洞,内有液平。考虑出现下列哪种情况

A.肺结核病变恶化
B.合并支气管肺炎
C.合并肺脓肿
D.合并慢性支气管炎
E.合并肿瘤

题型:单项选择题

电动机铭牌上标明型号为Y160L-4,电源频率为50Hz,并知在额定运行条件下转差率是5%,则此电动机额定转速为( )r/min。

A.1425

B.1500

C.712.5

D.750

题型:单项选择题

another; like; area; those; health; there; angry; sound; look; art; more; way
Why do so many people around the world love Chinese cooking In China, cooking is an (66) , just like music, dance and painting. However, there is (67) than just one kind of Chinese food. Different areas in China have special (68) of cooking because of the differences in weather and geography.
Traditional Chinese doctors believe we need a balance of yin and yang to be (69) Maybe you should eat yang foods, (70) beef when you feel weak or tired. And you should eat yin foods like tofu while you are too stressed out or (71) The Chinese believe people who eat a balanced diet should be healthier than (72) who only eat foods that taste good.
(73) is much more to Chinese food than just taste. Behind many dishes are traditions with deep meaning. One Chinese food tradition is to eat long noodles on your birthday as a symbol of long life. (74) traditional food, yuan xiao, suggests that a family will always stay together. On the Spring Festival, people often eat fish, because yu (75) like the word meaning "more than enough".
From north to south, east to west, people are sure to find some kind of Chinese food to suit their taste and interest.

更多题库