33. I am writing to convey my warm congratulations on your (appoint) _______to the head of the board.
查看答案
34. According to the report (publish)__________yesterday,more young people are pouring into the city tolook for a job.
35. The contract won't come into effect until it (sign)___________by the legal representatives of both parties.
规定输入构成三角形的3条边。采用等价类划分法,以下正确的是()。
A. 无效等价类是“输入边数=3”,有效等价类是“输入边数<3”和“输入边数>3”
B. 有效等价类是“输入边数=3”,无效等价类是“输入边数<3”和“输入边数>3”
C. 有效等价类是“输入边数<3”和“输入边数=3”,无效等价类是“输入边数>3”
D. 有效等价类是“输入边数=3”和“输入边数>3”,无效等价类是“输入边数<3”
用边界值分析法,假定1
A. X=1,X=2,X=9,X=10
B. X=2,X=9
C. X=1,X=10
D. X=1,X=5,X=6,X=10