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【判断题】
维生素K是脂溶性萘醌类的衍生物，其基本结构为2－甲基－l，4－甲萘醌。( )A.
正确
B.
错误
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【单选题】Jack succeeding in ___ his father ___ buying him a new computer.
A.
letting...into
B.
asking...into
C.
telling...into
D.
talking...into
【单选题】Jack underwent three successive operations on the left leg in two weeks.
A.
happening now and then
B.
happening one after another
C.
successful
D.
succeeding
【单选题】Let us pursue this initiative step by step, and deliver _____one by one.
A.
its achievements
B.
it achievements
C.
their achievements
D.
theirs achievements
【简答题】A．She needs more efforts to help the students. B．She has made some encouraging achievements. C．She is lack of time for teaching. D．She can do nothing to help the students.
【简答题】Too many of us just sit back and say "I'll let the experts deal with it."
【单选题】2018 年 3 月份国家发展与改革委员会公布的《必须招标的工程项目规定》中规定:施工单项合同估算价在( )万元人民币以上的项目必须进行招标。
A.
100
B.
200
C.
400
D.
300
【简答题】客家人为什么选择亦耕亦读,耕读传家的生产生活方式呢?
【简答题】Too many of us just sit back and say 'I'll let the experts deal with it.'
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