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【简答题】
表面粗糙度对零件的工作性能有哪些影响?
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参考答案:
举一反三
【简答题】用T10钢锻造,为什么自由锻造时有时会锻裂、而模型锻造时不会锻裂?
【单选题】男,15岁,贫血伴尿色黄6年,未诊治。其弟弟有类似表现。查体;巩膜轻度黄染,脾肋下2cm检查:Hb 70g/L,MCV70fl,MCHC 29%。网织红细胞0.09,尿胆红素(-),尿胆原强阳性。下列检查对诊断最有帮助的是
A.
酸溶血试验
B.
自体溶血试验
C.
Coombs试验
D.
血红蛋白电泳
E.
红细胞脆性试验
【单选题】听力原文:It's a fine day,isn't it? (14)
A.
No, I don't think so.
B.
Yes, it is.
C.
No, you are wrong.
【单选题】圆形截面木梁,梁上荷载如图所示,已知l=3m,F=3kN,q=3kN/m,d=200mm,请问梁的最大正应力 (     )
A.
5.2MPa
B.
2.6MPa
C.
1.3MPa
D.
3.8MPa
【单选题】男性,15岁,贫血伴尿色黄6年,未诊治。其弟弟有类似表现。查体;巩膜轻度黄染,脾肋下2cm检查:Hb70g/L,Mcv70fl,Mchc29%。网织红细胞0.O9,尿胆红素(一),尿胆原强阳性。下列检查对诊断最有帮助的是
A.
酸溶血试验
B.
自体溶血试验
C.
Coombs试验
D.
血红蛋白电泳
E.
红细胞脆性试验
【单选题】is the excess of the price of goods sold and services rendered over the cost of goods and services used up during a given time period.
A.
Net income
B.
Income Statement
C.
account receivable
D.
None of the above.
【单选题】男,15岁。贫血伴尿色黄6年,未诊治。其弟弟有类似表现。查体:巩膜轻度黄染,脾肋下2cm。检查:Hb 70g/L,MCV 70fl,MCHC29%,网织红细胞0.09,尿胆红素(—),尿胆原强阳性。下列检查对诊断最有帮助的是( )
A.
酸溶血试验
B.
自体溶血试验
C.
Coombs试验
D.
血红蛋白电泳
E.
红细胞脆性实验
【简答题】自由锻锻造设备有(    )、(    )和(    )三大类。
【单选题】二 Dear Linda, How are you? My thirteenth birthday is coming, and I will have a 11 in my house next Sunday. Can you 12 to my birthday party? At the party, we will have a big dinner and pla...
A.
Always
B.
Sometimes
C.
Don't
D.
Won't
【单选题】The price of goods has kept rising ____ the wages of the workers remain the same.
A.
whether
B.
otherwise
C.
consequently
D.
whereas
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