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【判断题】
与问题相关的两个或多个部件间,发生任何形式的相对移动时,不论移动距离是几毫米或是一段距离,不论直线运动或是曲线运动,这个物体即是运动的。
A.
正确
B.
错误
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皮皮学刷刷变学霸
举一反三
【单选题】牛顿是从哪个角度来引入微分学的精髓()
A.
曲线的切线问题
B.
变速直线运动的瞬时速度问题
C.
热力学问题
D.
流体力学问题
【单选题】强心苷的分子结构中含有以下何种基团不能用氧化铝色谱分离:
A.
C3-OH
B.
Cl4-OH
C.
Cl6-OH
D.
Cl6-OCOCH3
E.
Cl2-OCOCH3
【单选题】菊花最适生长温度大约在()°C
A.
10-15
B.
10-20
C.
25-30
D.
15-25
【单选题】To verify that your printer is operating correctly, you can run the printer(75)program。
A.
driver
B.
view
C.
browse
D.
self-test
【单选题】To run a program, a computer first transfers the program from disk to ________.
A.
the main memory
B.
the CPU
C.
the processor
D.
the read-only memory
【判断题】2001年,中国正式加入世界贸易组织。
A.
正确
B.
错误
【判断题】When the Java program is run for the first time, it is slower than the C program.
A.
正确
B.
错误
【简答题】______means that a program written for one computer system can be compiled and run on another system with little or no modification. A.Portability B.Reliability C.Availability D.Reusability A. B. C. D...
【单选题】A customer purchased a new PC with Windows XP but wants to run a program designed forWindows 98. Which of the following will allow this program to run under Windows XP?()
A.
Change the file permissions for the executable file.
B.
Use the convert utility to change the attributes of the executable file.
C.
Make sure that Windows XP has FAT32 file system.
D.
Run the executable file under compatibility mode.
【单选题】● (71) means that a program written for one computer system can be compiled and run on another system with little or no modification. (71)
A.
Portability
B.
Reliability
C.
Availability
D.
Reusability
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