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【单选题】
________ 适用于多支点轴、弯曲刚度小的轴以及难于精确对中的支承。 A .深沟球轴承 B.调心球轴承 C .角接触球轴承 D.圆锥滚子轴承A.
B.
C.
D.
D
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举一反三
【单选题】6 Q5: Which of the following statements is true?
A.
Both syntax errors and logic errors are caught by the compiler.
B.
Both syntax errors and logic errors have effects at execution time.
C.
Syntax errors are caught by the compiler. Logic errors have effects at execution time.
D.
Logic errors are caught by the compiler. Syntax errors have effects at execution time.
【单选题】______ errors are problems in the design of a program that prevent it from running as you anticipate.
A.
Application
B.
Syntax
C.
Logic
D.
Run-time
【单选题】In the following description of computer viruses , the right one is______.
A.
One of the characteristics of computer viruses is immunity.
B.
Computer viruses are small programs with logic errors
C.
Anti-virus software must be upgraded with the emergence of new viruses to improve the function of virus detection and killing.
D.
Computers infected with computer viruses are immune to the virus.
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