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【简答题】
在Java语言中,只需要一个操作数的运算符称为____。
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参考答案:
举一反三
【单选题】In the writer's opinion it would be better if people ______.
A.
were forced to take a diploma
B.
were free to become educated in their own way
C.
attended more practical courses
D.
attended courses intended for experts
【单选题】He looked as if he _____ last year.
A.
came
B.
had come
C.
comes
D.
should come
【单选题】Tens of thousands of 18-year-olds will graduate this year and be handed meaningless diplomas. These diplomas won't look any different from those awarded their luckier classmates. Their validity will b...
A.
view point on learning.
B.
a qualified teacher.
C.
the importance of examination.
D.
the generation gap.
【单选题】输送系统的管路特性方程可表示为H e =K+BQ e 2 ,则( )。
A.
K只包括单位质量的流体需增加的位能
B.
K 包括单位质量的流体需增加的位能和静压能
C.
BQ e 2 代表管路系统的局部阻力损失
D.
BQ e 2 代表单位质量的流体需增加的动能
【简答题】Diplom- Ingenieur(in)
【单选题】关于酸和碱的描述正确的是(  )
A.
浓硫酸具有吸水性,在实验室中常用它做干燥剂
B.
生石灰与熟石灰都属于碱
C.
酸就是有酸味的物质
D.
碱就是有腐蚀性的物质
【单选题】团课是教育和引导团员发挥带头模范作用的重要( )。
A.
载体
B.
组成
C.
支柱
D.
纽带
【简答题】A.If the expenses are paid for him. B.If they will not last long. C.If he is specially invited. D.If they are held locally.
【多选题】属于碱性干燥剂的是
A.
五氧化二磷
B.
碱石灰
C.
无水碳酸钠
D.
无水氯化钙
【单选题】厨师队伍的优化组合使每个员工都能( )。
A.
人尽其才,才尽其用
B.
各尽所能、按劳分配
C.
聪明能干、乐于助人
D.
团结互助、平等友好
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