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【判断题】
基准物质二水合草酸既可以用于标定碱标准溶液,也可以标定高锰酸钾标准溶液。
A.
正确
B.
错误
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举一反三
【单选题】在语法检查键操作时( )用于显示出错步序号的指令。
A.
( A)CLEAR
B.
( B)STEP
C.
( C)WRITE
D.
( D)INSTR
【单选题】首创“事文合编”体例的类书是( )
A.
永乐大典
B.
北堂书钞
C.
艺文类聚
D.
辞源
【多选题】根据五种竞争力分析模型,下列选项中,表明甲钢铁公司议价能力较强的情形有()。
A.
甲公司是产业内少数几家能够提供航空航天用钢的主要供应商,且没有替代品
B.
甲公司打算进军建筑和机械制造等产业
C.
甲公司的主要铁矿石供应商乙公司计划进入钢铁制造产业
D.
甲公司是铁矿石供应商乙公司最大的客户,采购量占其30%以上
【单选题】What made it necessary to attend school?
A.
There was a need to learn to read and write and calculate.
B.
The farming required to use complicated machines.
C.
The world economy made mass electronic communication very popular.
D.
The alphabetical and numerical system were useful.
【单选题】Which of the following is NOT TRUE according to the passage?
A.
Many outstanding men want to see whether machines can judge and think.
B.
There are already in existence some computers that can understand logic.
C.
Dr. J. Von Neumann proved that some computers are complicated enough to reproduce themselves.
D.
Human brain is too complex and complicated to be copied with the present level of technology.
【单选题】在语法检查键操作时( )用于显示出错步序号的指令。
A.
CLEAR
B.
STEP
C.
WRITE
D.
INSTR
【判断题】鲁菜特色为“善制野味,讲究火候,醇厚香浓,朴素实惠”
A.
正确
B.
错误
【多选题】根据五种竞争力分析模型,下列选项中,表明甲钢铁公司议价能力较强的情形有( )。
A.
甲公司是产业内少数几家能够提供航空航天用钢的主要供应商,且没有替代品
B.
甲公司打算进军建筑和机械制造等产业
C.
甲公司的主要铁矿石供应商乙公司计划进入钢铁制造产业
D.
甲公司是铁矿石供应商乙公司最大的客户,采购量占其40%以上
【单选题】______, all machines are combinations of simpler parts such as the lever, the pulley, and the inclined plane.
A.
However complicated are they
B.
However difficult they are
C.
Whether they are old or new
D.
No matter how complex they are
【单选题】Thank to the investment from a foreign company the iron and steel factory was able to buy a lot of______ new machines necessary to modern manufacture.
A.
sophisticated
B.
complex
C.
complicated
D.
intricate
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