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【简答题】
arrange for do business with far and wide interfere with make a living make sure pay one’s way there is no way It’s still very hard for some farmers to . 2. My husband was very busy at his company, so he had to a car to pick me up at the station. 3. He’s going to have an important examination next Monday morning, so he doesn’t let anything his study. 4. Known to people for his book about the history of time, Stephen Hawking is a star scientist in more ways than one. Many people came to him because of the low prices and good services he offered. 6. Every night the father that all the lights are turned off before he goes to bed. 7. The young man was the son of a poor farmer so he worked to through college. 8. She married again after her husband’s death because she could send all her children to school.
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【单选题】相对于直流 PWM 调速系统, V-M 系统( )。
A.
功率更高
B.
功率因数更高
C.
调速范围更宽
D.
可逆线路更为简单
【简答题】作为一篇事理说明文,本文在结构上是按照什么顺序来组织材料的?
【单选题】相对于直流PWM调速系统,V-M系统( )。
A.
可逆线路更为简单
B.
功率因数更高
C.
调速范围更宽
D.
功率更高
【单选题】下列哪种体位下的平衡反应最早出现
A.
仰卧位
B.
俯卧位
C.
坐位
D.
膝手跪位
E.
站立位
【判断题】资本成本有绝对数和相对数两种表示方法,通常用绝对数来表示,也称资本成本。
A.
正确
B.
错误
【单选题】下列饮品中属于溶液的是 ( )
A.
酸奶
B.
豆浆
C.
玉米糊
D.
汽水
【单选题】Zhème wǎn le , Nǐ zěnme hái méi shuì ? 这么 晚 了, 你 怎么 还 没 睡?
A.
不睡着
B.
睡得着
C.
睡不着
【判断题】资本成本通常用绝对数表示,等于资金使用费用与筹集费用之和。( )
A.
正确
B.
错误
【简答题】资金成本可以用资金总成本(绝对数)和单位成本(相对数)表示。为了进行比较分析,通常都以( )相,即一般所说的资金成本是指( )。
【单选题】下列饮品属于溶液的是( )
A.
可口可乐
B.
牛奶
C.
果粒橙
D.
豆浆
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