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【单选题】
在确定黑盒测试策略时,优先选用的方法是A.
等价类
B.
边界值
C.
决策表
D.
以上都不是
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反馈参考答案：
举一反三
【单选题】―You ought to have come to see Alice yesterday.
A.
es, I know I .
B.
must have
C.
could have
D.
ought to
E.
should have
【单选题】The damage to the hatch cover was caused by your stevedores，and you ought to have known we never ______ lies．
A.
say
B.
talk
C.
tell
D.
speak
【单选题】— You ought to have called him yesterday. — Yes, I know I _____. [ ]
A.
ought to
B.
have to
C.
should have
D.
must have
【简答题】清朝的慈禧太后在通知和哪位皇帝在位期间“垂帘听政”，掌握清朝朝政四十多年?
【单选题】－－－You ought to have educated your son not to have eaten so much junk food, such as fried chicke
A.
25. ---You ought to have educated your son not to have eaten so much junk food, such as fried chicken, roasted mutton, smoked bacon and the like. ---I _______ . A．did but he didn’t listen
B.
ought to and he wouldn’t listen
C.
ought to have; but he didn’t listen
D.
should have but he hadn’t listened
【单选题】群落交错区的特征是
A.
比相邻群落环境更加严酷
B.
种类多样性高于相邻群落
C.
由于是多个群落边缘地带，相邻群落生物均不适应在此生存
D.
在群落交错区各物种密度均大于相邻群落
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