There are two major types of reserves used on projects. The _____ is for (usually major) scope changes that were not considered as part of the original plan, whereas the _____ is to compensate for minor changes in estimating, escalation factors.
A . Management reserve, unplanned allowance fund.
B . Management reserve, contingency.
C . Contingency fund, management reserve.
D . Unplanned allowance fund, budgetary reserve.
E . Unplanned reserve, planned reserve.
第1题:
A、study
B、learn
C、devote
D、major
第2题:
第3题:
音乐符号major的含义______
第4题:
I have ______ damage below water line.
A.large
B.big
C.important
D.major
第5题:
【单选题】查询计算机应用技术和软件技术专业成绩大于80分的学生信息的命令是?
A.db.students.find({$and:[{$or:[{"major":"计算机应用技术"},{"major":"软件技术"}]},{"score":{$gt:80}}]})
B.db.students.find({$or:[{$or:[{"major":"计算机应用技术"},{"major":"软件技术"}]},{"score":{$gt:80}}]})
C.db.students.find({$and:[{$or:[{"major":"计算机应用技术"},{"major":"软件技术"}]},{"score":{$gte:80}}]})
D.db.students.find({$and:[{"major":"计算机应用技术"},{"major":"软件技术"},{"score":{$gt:80}}]})
第6题:
【单选题】查询计算机应用技术专业成绩在80分(包含)以上的学生人数,正确的语句是?
A.db.students.find({"major":"计算机应用技术","score":{$gt:80}}).count()
B.db.students.find({"major":"计算机应用技术","score":{$gte:80}}).count()
C.db.students.find({"major":"计算机应用技术","score":{$gte:80}})
D.db.students.find({$or:[{"major":"计算机应用技术"},{"score":{$gte:80}}]}).count()