()不是中生代的。A、白垩纪 B、侏罗纪 C、二叠纪 D、三叠纪

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问题:

()不是中生代的。

A、白垩纪

B、侏罗纪

C、二叠纪

D、三叠纪

考点:采油工考试采油高级工考试采油高级工考试题库
题型:单项选择题

Miss Wang: Hello, Helen. You look worried.1____________________________________?

Helen: It’s Li Hong. She’s so unhappy.

Miss Wang: Oh dear! 2_____________________________________. What seems to be the problem?

Helen: She is crying in the bathroom because she did badly in the English exam .She is very strict with herself. You know, Li hong is new here . She is quiet and shy. She feels very lonely because she has no friends to talk with. 3__________________.

Miss Wang: 4__________________________________. I think I should have a talk with her.

Helen: Oh, yes, Miss Wang.5_____________________________________________.

题型:单项选择题

期货公司持有的金融资产,按照分类和可回收性情况采取不同比例进行风险调整,分类中同时符合两个或者两个以上标准的,应当采用最低的比例进行风险调整。()

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种质资源的保存方法有哪几种?各有哪些特点?适用于保存哪类植物?

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双代号网络计划中,如果计划工期等于计算工期,且工作i——j的结束节点j在关键线路上,则工作i—— j的自由时差( )。

A.等于零

B.小于零

C.大于零

D.等于其总时差

题型:单项选择题

物业委托管理合同应包括的内容有哪些?

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