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【简答题】
一台电动机的额定电压是220V，额定电流是5A，导线的电阻是6Ω，则：它正常工作时输入的功率是__________，工作导线发热损失的功率是__________，最大输出功率是__________.
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【单选题】— What did your father do last holiday? — He _____________ football last holiday. [ ]
A.
play
B.
plays
C.
played
【单选题】小明今年 4 岁,他喜欢自言自语。搭积木时,他边搭边说: “ 这块放在哪里呢?不对,应该这样 .... 这是什么?就把它放在这里作门吧。 ” 这属于哪种自言自语形式:
A.
游戏语言
B.
自我语言
C.
想象语言
D.
问题语言
【单选题】平均利润率是（ ）
A.
社会剩余价值总量和社会预付总资本的比率
B.
社会剩余价值总量和社会预付可变资本的比率
C.
年剩余价值总量和年预付可变资本总量的比率
D.
社会平均利润总量和社会预付可变资本的比率
【单选题】What holiday is Double Seventh Night?
A.
It is a Chinese holiday for lovers.
B.
It is a western holiday for lovers.
C.
It is an estern holiday for lovers.
D.
It is an international holiday for lovers.
【单选题】What kind of holiday it is?
A.
celebrated as a doctors' holiday.
B.
celebrated as a teachers' holiday.
C.
celebrated as a lovers' holiday.
D.
celebrated as a nurses' holiday.
【简答题】What are they doing for holiday? They are happy because they are on holiday. Mary is visiting her aunt in Paris. She is very excited to be in Paris. It is a very famous city. And it is a good place to...
【单选题】平均利润率是（ ）
A.
社会剩余价值总量和社会预付总资本的比率
B.
社会剩余价值总量和社会预付可变资本的比率
C.
剩余价值总量和预付可变资本总量的比率
D.
社会平均利润总量和社会预付可变资本的比率
【单选题】某公司拟向不特定对象发行票面总值达一亿元的股票,应由( )为其承销。
A.
该公司的资产评估机构
B.
会计师事务所
C.
主承销的证券公司及参与承销的证券公司
D.
律师事务所
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