下列叙述中,错误的是( )。A.Jbutton类和标签类可显示图标和文本 B.Bu

题型:单项选择题

问题:

下列叙述中,错误的是( )。

A.Jbutton类和标签类可显示图标和文本

B.Button类和标签类可显示图标和文本

C.AWT构件能直接添加到顶层容器中

D.Swing构件不能直接添加到顶层容器中

考点:计算机等级考试JAVA二级JAVA笔试
题型:单项选择题

Section B Proof-reading 10%

Mark Twain, like you know, was famous in his days as the public speaker. He always liked to

play joke on his friends. One day, the one of his friends lost their wallet and asked him to buy a

train ticket for him. “But I don’t have enough money to pay both your ticket and mine,” Mark Twain said. The friend didn’t know what to do. “Let’s do this, “ Mark Twain saying, “You can get off the train and when the conductor comes to check the ticket you can hide under my seat.” Later, however, when the conductor comes to check the ticket, Mark Twain gave him two tickets-----one for him and the other for his friend.

题型:单项选择题
列式计算.
(1)一瓶饮料的
2
3
是100毫升,这瓶饮料的
3
5
是多少毫升?
(2)一个数的
1
5
比它的
1
8
多60,这个数是多少?
题型:单项选择题

经乱无期,出血淋漓不尽,色鲜红,质稍稠,头晕耳鸣,腰膝酸软。治疗应首选()

A.固阴煎

B.六味地黄丸

C.大补元煎

D.左归丸

E.归肾丸

题型:单项选择题

缓冲液pH值改变对电泳的影响主要表现在()

A.偏离等电点越远,蛋白质带电越多,电泳速度越快

B.pH值改变蛋白质的等电点

C.pH值改变使支持物两端电压改变

D.缓冲液pH值的改变可使所有蛋白质的电泳速度变慢

E.pH值改变使介质带电荷增高

题型:单项选择题

保和丸中配伍连翘的用意是()

A.清热解毒

B.清热散结

C.清热利湿

D.清热泻火

E.消痈散结

更多题库