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【简答题】
根据短文内容选择正确答案。 This is a boy. His name is Tom. He has a nice cat. It is an English cat. His friends are Lucy and Mike. They have cats, too. Their names are Mimi and Maomao. They are Chinese cats. The English cat is five. The Chinese cats are three. They like their cats. Today they can't find the English cat and the Chinese cats. They ask an old man, 'Where are our cats?'  'I don't know.' he says. 'Are they in the tree?' Tom and Mike say. 'Listen, listen!' Lucy says. 'Miaow, miaow...' 'Oh, over there.' They go to the tree, and carry (抱) them down. 1. _____ has a good English cat. A. Tom B. Mike C. Lucy D. The old man 2. Tom has _____ friends. A. one B. two C. three D. four 3. The English cat is _____ and the Chinese cats are _____. A. three; five B. three; four C. four; five D. five; three 4. Tom and his friends have _____ cats. A. three B. four C. five D. six 5. Where are their cats? A. In a box. B. In a tree. C. In a house. D. We don't know.
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举一反三
【单选题】( )误差是由某种不正常的原因造成的。
A.
相对
B.
绝对
C.
粗大
D.
变值
【单选题】供血者为O型,受血者为A型,交叉配血时会出现何种反应现象( )
A.
主侧管和次测管均凝集
B.
主侧管和次测管均不凝集
C.
主侧管凝集,次侧管不凝集
D.
主侧管不凝集,次测管凝集
【单选题】供血者为O型,受血者为B型,交叉配血时,出现的结果是
A.
主侧管不凝集,次侧管凝集
B.
主侧管凝集,次侧管凝集
C.
主侧管不凝集,次侧管不凝集
D.
主侧管凝集,次侧管不凝集
E.
主侧管溶血,次侧管不溶血
【判断题】斜齿轮传动,螺旋角和齿宽越大,重合度越大。
A.
正确
B.
错误
【单选题】供血者为O型,与AB型受血者交叉配血,其结果是( )
A.
主侧凝集,次侧不凝集
B.
主侧不凝集,次侧凝集
C.
主次侧均不凝集
D.
主次侧均凝集
E.
无法判定
【单选题】由某种不正常的原因造成的误差是( ) 。
A.
相对
B.
绝对
C.
粗大
D.
变值
【单选题】供血者为O型,受血者为A型,交叉配血时,会出现何种反应结果
A.
主侧管凝集,次侧管凝集
B.
主侧管凝集,次侧管不凝集
C.
主侧管不凝集,次侧管不凝集
D.
主侧管不凝集,次侧管凝集
E.
主侧管溶血,次侧管不溶血
【单选题】斜齿轮传动的重合度随齿宽b和螺旋角β的增大而增大,但是螺旋角β越大,轴向力越大,所以螺旋角一般取:()
A.
8°-20°
B.
8°-24°
C.
4°-20°
D.
20°
【判断题】斜齿轮传动,螺旋角和齿宽越大,重合度越大。
A.
正确
B.
错误
【单选题】[公差与配合部分][中职和高职和教师][中] ( )误差是由某种不正常的原因造成的。
A.
相对
B.
绝对
C.
粗大
D.
变值
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