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【判断题】
快捷键 “Alt+Delete” 键为填充背景色,快捷键 “Ctrl+Delete” 键为填充前景色。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】What made Joseph give up his dream of buying the Lego Death Star?
A.
The extremely high price of the toy.
B.
The denying attitude of the father.
C.
The time he needs to save up the money.
D.
The change of his focus of interest.
【单选题】Ryan,with the help of others, is fulfilling his dream of help African peopleto____________
A.
make new materials
B.
preserve wetland and animals
C.
have clean air
D.
have clean water
E.
collect cigarette butts
F.
collect disposed oil
【简答题】设三事件A、B、C两两独立，则A、B、C相互独立的充要条件为( )． (a) A与BC独立 (b) AB与A∪C独立 (c) AB与AC独立 (d) A∪B与A∪C独立
【简答题】Ryan,with the help of others,is fulfilling his dream of help African people to ___________．
【简答题】How did Schultz build his dream of Starbucks?
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