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参考答案：
参考解析：
刷刷题刷刷变学霸
举一反三
【单选题】In the world of management, employees are nonexempt or exempt, depending on whether they get paid for overtime or not. (21) a creative scientist, like a creative artist, does not see his or her time. ...
A.
completing
B.
filling
C.
performing
D.
Studying
【单选题】In the world of management, employees are nonexempt or exempt, depending on whether they get paid for overtime or not. (21) a creative scientist, like a creative artist, does not see his or her time. ...
A.
is
B.
having
C.
being
D.
be
【单选题】移栽桂花、广玉兰、杜英、女贞以及松柏类等常绿大树时其整形修剪以疏枝为主,宜疏剪( )的枝叶。
A.
1/5~1/4
B.
1/3~1/2
C.
3/5~2/3
D.
3/4~4/5