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【单选题】

Frank told his mother that he______all the homework before he went out to play with Tom.

A.
finished
B.
will finish
C.
had finished
D.
was finishing
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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】60The Utility Theory _____ .

A.
considers risk propensity of the decision maker.
B.
attempts to formalize management's risk considerations.
C.
works well with decision tree analysis.
D.
is considered highly theoretical.
E.
All of the above

【单选题】2岁小儿全身麻醉宜选择

A.
气管导管内径(mm)2.5无气囊
B.
气管导管内径(mm)3.0无气囊
C.
气管导管内径(mm)3.5~4.0有气囊
D.
气管导管内径(mm)4.5~5.0有气囊
E.
气管导管内径(mm)5.0~5.5有气囊

【单选题】《水上水下施工作业许可证》的说法错误的是( )。 A.《许可证》的有效期最长不得超过5 年

A.
期满不能结束施工作业时,持证人可于《许可证》有效期期满之日7d 前办理延期
B.
海事局准予办理2 次延期使用手续
C.
施工作业者取得《许可证》后,如作业项目等发生变更,原申请者须重新申请,领取
D.
新的《许可证》