Among the following options, the correct descriptions inclue ______（）
A. pass represents an empty operation, only plays a place-occupied role
B. pass can only be used in conditional statements
C. For the statement sequence under if, it is allowed that there is only one pass statement
D. pass can be used to jump out of the loop statement
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When executing the following program, it will output ______.score = 80if score＜60: print（‘The score is %d’% score, end=’, ‘）print（‘Failed’）（）
A. The score is 80, Failed
B. The score is 80
C. Failed
D. nothing
When drawing a flowchart, the condition judgment should be placed in ______（）
A. rounded rectangle
B. circle
C. rectangle
D. diamond
The options that belong to the high-level programming language include ______（）
A. Python language
B. Assembly language
C. Machine language
D. C++ language
KIC is the index of fracture toughness of type I crack. The following statement is correct（）
A. when KⅠ ＜ KⅠC, crack began to expand, brittle fracture
B. when KⅠ ＞ KⅠC, crack extension occurs brittle fracture of instability
C. when KⅠ = KⅠC, extension began to occur
D. when KⅠ = 1/2KⅠC, crack extension
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