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【单选题】
*.营养肝的血管是:
A.
肝门静脉
B.
脾动脉
C.
肠系膜上动脉
D.
肝固有动脉
E.
肝总动脉
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【单选题】若直流他励电动机在电动运行状态中,由于某种因素,使电动机的转速高于理想空载转速,这时电动机便处于(      )。
A.
回馈制动状态
B.
能耗制动状态
C.
电枢反接制动状态
D.
起动状态
【简答题】请听下面一段材料,回答第1至4题。 1.How old is the speaker? A.5. B.17 C.22 2.Why has the speaker long been looked down upon? A.She's hearing-disabled. B.She can't get on well with her classmates. C.Something is wrong...
【单选题】2005年,深海油气生产约占海洋油气生产的()%以上
A.
30
B.
50
C.
60
D.
70
【简答题】听下面一段材料,回答第1至4题。 1. How old is the speaker? [     ] A. 15. B. 17. C. 22. 2. Why has the speaker long been looked down upon? [     ] A. He's hearing-disabled. B. He can't get on well with his classmate...
【单选题】本文一次写了以下几个节日
A.
腊八-辞灶-除夕-春节
B.
辞灶-除夕-腊八-春节
C.
辞灶-腊八-除夕-春节
D.
春节-腊八-辞灶-除夕
【单选题】若直流他励电动机在电动运行状态中,由于某种因素,使电动机的转速高于理想空载转速,这时电动机便处于(      )。
A.
回馈制动状态
B.
能耗制动状态
C.
电枢反接制动状态
D.
双向反接制动状态
【简答题】听下面一段材料,回答第1-4题。 1. How old is the speaker? A. Five. B. Seen. C. Twenty two. 2. Why has the speaker long been looked down upon? A. He’s hearing-disabled. B. He can’t get on well with his classmat...
【判断题】除国务院税务主管部门规定的特殊情形外,发票限于领购单位和个人在本县、市内开具。
A.
正确
B.
错误
【单选题】若直流他励电动机在电动运行状态中,由于某种因素,使电动机的转速高于理想空载转速,这时电动机便处于(      )
A.
电枢反接制动状态
B.
能耗制动状态
C.
回馈制动状态
D.
抱闸制动
【简答题】When Gail spread the news of our wedding plans to her family she met with some___1___. Her mother, Deborah, all along had been ___2___ of our relationship, and even joked about when we were going t...
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