| By the 1820’s in the United States,
when steamboats were common on western waters, these boats were mostly powered
by engines built in the West (Pittsburgh, Cincinnati, or Louisville), and of a
distinctive western design specially suited to western needs. The first steam
engines{{U}} (21) {{/U}}practical use in England and the United States
were{{U}} (22) {{/U}}low-pressure design. This was the type first{{U}}
(23) {{/U}}by James Watt, then manufactured by the firm of Boulton and
Watt. Steam was{{U}} (24) {{/U}}in a large, double-acting vertical
cylinder, but the steam reached only a few pounds of pressure per square inch.
It was low-pressure engines of this type that{{U}} (25) {{/U}}first introduced
into the United States by Robert Fulton. He{{U}} (26) {{/U}}such a Boulton and
Watt engine from England to run the Clermont. But this type o A. finance B. economy C. money D. cost [单选题]关于递延所得税，以下说法正确的是（ ）。
A.资产的账面价值大于计税基础时，应确认递延所得税负债 B.负债的账面价值小于计税基础时，应确认递延所得税资产 C.资产负债表上资产和负债的账面价值和计税基础的差异都是暂时性差异 D.当期的所得税和递延所得税都记入当期的所得税费用 [单选题]马克思主义诞生于( )
A.18世纪90年代 B.19世纪40年代 C.19世纪70年代 D.19世纪90年代 [判断题]代履行时，作出决定的行政机关应当派员到场监督。
A.正确 B.错误 [多选题]原则上RPA不可以处理营销业务中的哪些场景？（ ）
A.含客户敏感信息 B.关键业务审批 C.涉及安全生产等需人工操作确认 D.影响业务系统稳定运行 E.跨不同业务系统的操作 [多选题]露天开采工艺分为( )。
A. 间断开采工艺 B.连续开采工艺 C. 半连续开采工艺 D.综合开采工艺 [简答题]手足太阳经脉布散于全身以至体表，生发出足够的_______，温养肌肤，所以太阳主___________。
[单项选择]珠光体耐热钢焊前局部预热必须保证预热宽度，焊缝两侧各大于所焊壁厚的4倍，且至少不小于( ) mm。
A. 50 B. 100 C. 150 D. 200 我来回答: 提交
|
