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【简答题】
要使燃烧得以维持,需要有三种要素。除了热量、燃料还需要( )
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举一反三
【简答题】A.The late seenth century. B.The early eighth century. C.The late nineth century. D.The early twentieth century.
【单选题】the exploration of the botanical world            on a large scale.
A.
It was not until the eighteenth and nineteenth centuries that; had begun
B.
It was not until the eighteenth and nineteenth centuries when; began
C.
Not until the eighteenth and nineteenth centuries did; begin
D.
Until the eighteenth and nineteenth centuries; began
【单选题】The eighteenth and nineteenth centuries _____ the widespread use of electricity and the birth of the steam engine , leading to the development of factories and cities.
A.
watched
B.
observed
C.
saw
D.
showed
【简答题】活塞顶部类型有__、__和__三类。
【判断题】处置采用权益法核算的长期股权投资,还应结转原记入资本公积的相关金额,借记或贷记“资本公积—其他资本公积”科目,贷记或借记“长期股权投资”科目。( )
A.
正确
B.
错误
【单选题】When did houses begin to show a new elegance?
A.
During the latter half of the eighteenth century.
B.
During the first half of the nineteenth century.
C.
During the latter half of the nineteenth century.
D.
During the first half of the eighteenth century.
【单选题】Bill is ________. [     ]
A.
eighteen years old
B.
eighteen year old
C.
eighteenth years old
D.
eighteenth years old
【简答题】元件的类型有: 、 按钮和影片剪辑。
【单选题】肩关节内旋的关节活动范围是多少?
A.
0-90°
B.
0-120°
C.
0-150°
D.
0-180°
E.
90-180°
【单选题】下列属于压力控制阀的是:
A.
节流阀
B.
电磁换向阀
C.
溢流阀
D.
单向阀
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