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【单选题】
逻辑函数A.(A+B)化简后的结果是( )A.
1
B.
A
C.
A+B
D.
0
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【简答题】Grammar 1.Most of the artists ____ to the party were from South Africa. A. invited B. to invite C. being invited 2. This news sounds ____. A. encourage B. encouraged C. encouraging 3. That is the day ...
【简答题】Spot Dictation (5 points, 1 point each) Directions: Listen to the recording and fill in the blanks with the exact words you hear. 1. Some people are coming to a to actually buy something on that da...
【简答题】I. Spot Dictation (5 points, 1 point each) Directions: Listen to the recording and fill in the blanks with the exact words you hear. 1. Some people are coming to a to actually buy something on that...
【简答题】 Fill in the blanks withthe following phrases: 1.meanto 2.be adorned with 3. be noted for 4.a memorial for 5. have one’s own picturesque charm 1.Jiangxi for Jinggangshan, an ideal...
【多选题】离合器打滑的原因有哪些?
A.
离合器踏板没有自由行程，使分离轴承压在分离杠杆上。
B.
从动盘摩擦片、压盘或飞轮工作面磨损严重，离合器盖与飞轮的连接松动，使压紧力减弱。
C.
压盘、飞轮变形或压盘过薄。
D.
从动盘摩擦片油污、烧蚀、表面硬化、铆钉外露、表面不平，使摩擦系数减小。
E.
压力弹簧过软或折断，膜片弹簧疲劳或开裂。
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【单选题】设有一熟练工人，用4种不同的机器在6种不同的运转速度下生产同一种零件。在单位时段内，生产的零件数见下表。速度1速度2速度3速度4速度5速度6机器142.539.339.639.942.943.6机器239.540.140.542.342.543.1机器340.240.541.343.444.945.1机器441.342.243.544.245.942.3判断运转速度的检验统计量为（）。
A.
3.391
B.
5.317
C.
3.287
D.
2.901
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A.
16.378
B.
42.808
C.
24.152
D.
83.338
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A.
16.378
B.
83.338
C.
24.152
D.
42.808
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