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【简答题】
什么是余差？为什么单纯的比例控制不能消除余差积分控制消除余差。
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反馈参考答案：
举一反三
【多选题】投资供给总量适当与否，一般采用的评价指标主要有（）
A.
国民收入积累率
B.
投资供求差率
C.
固定资产交付使用率
D.
未完工程资金占用率
E.
国内生产总值投资率
【简答题】鹿茸按照收茸的方式可以分为________和________。
【简答题】简单描述键在日常使用过程中常见的失效形式?
【简答题】Waiter: Would you like to have Chinese food or Western food, Sir?(6*1=6) Jackson: Chinese food,of course 1 ____________. Waiter: Yes,I hope you'll enjoy it.Here is the menu. Jackson: Thank you. But I ...
【单选题】关于流产的原因，错误的说法是
A.
孕卵异常是早期流产的主要原因
B.
宫颈内口松弛是晚期流产的主要原因
C.
染色体异常多见于35岁以上妇女
D.
约80%属于染色体异常
E.
与卵巢肿瘤切除或阑尾切除有关
【多选题】____1____ , ___2____. We are going to plant trees in Zhongshan Park._____3____The boy students of each class must bring hoes(锄头) and spades(铁楸), ____4____ . We are going to gather at the playground at...
A.
and the girl students must bring buckets(桶) and watering pots
B.
Tomorrow is Tree Planting Day
C.
All the students in our school should take part in the activity
D.
And then we'll go there by bus
E.
I hope you'll enjoy the activity.
F.
Dear boys and girls
【单选题】ony was very unhappy for ___ to the party.
A.
having not been invited
B.
not having invited C having notinvited D. not having been invited
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