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【单选题】
处于高位塔式起重机的吊钩升至最高点或平衡重的最低位与低位塔式起重机中处于最高位置部件之间的垂直距离不应小于（）。
A.
1m
B.
2m
C.
3m
D.
4m
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参考答案：
举一反三
【单选题】2-14.（ ）是以一直线为素线，以另一直线为轨迹，做平移运动而形成。
A.
圆柱面。
B.
平面。
C.
轮齿表面。
D.
球面。
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【单选题】—The couple's quarrelling and fighting last Friday each other. —I think so. Nancy was in the arm and she blamed that her arm the whole week. [     ]
A.
wounded; injured; was hurting
B.
hurt; hurt; was hurting
C.
hurt; wounded; was injuring
D.
injured; hurt; was wounding
查看完整题目与答案
【单选题】-- Did you watch the basketball match last weekend? --- Yes, I did. It was covered , and I think it was wonderful.
A.
lively
B.
alive
C.
living
D.
live
查看完整题目与答案
【单选题】早期城市形成的主要动因是( )
A.
由于人类劳动的大分工
B.
农业和牧业为标志的第一次人类大分工
C.
商业和手工业从农牧业中的分离
D.
商业和手工业的聚集
查看完整题目与答案
【判断题】“V”代表换气记号
A.
正确
B.
错误
查看完整题目与答案
【单选题】物体做直线运动时，有关物体加速度和速度的说法中正确的是（）
A.
在匀加速直线运动中，物体的加速度必定为正值
B.
在匀减速直线运动中，物体的加速度必定为负值
C.
物体的速度等于0，其加速度也一定等于0
D.
物体的加速度方向不变，速度的方向可能改变
查看完整题目与答案
【单选题】As I recall my plane trip around the world last July and August, I think my difficulty was the adjustment to the different ______ served with the food in the various cities we visited.
A.
seasonings
B.
qualities
C.
grades
D.
ingedients
查看完整题目与答案
【简答题】翻译下列单词和词组 1. order v. 2. deliver v. 3.schedule v 4. out of stock
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【简答题】"Personally, I think the minutes from the last meeting were OK. I agree with Mr. Hobbs and ask the Board for approval."
查看完整题目与答案
【单选题】— Did you watch the basketball match last weekend? — Yes, I did. It was covered ______, and I think it was wonderful. [     ]
A.
live
B.
alive
C.
living
D.
lively
查看完整题目与答案
相关题目：
【单选题】2-14.（ ）是以一直线为素线，以另一直线为轨迹，做平移运动而形成。
A.
圆柱面。
B.
平面。
C.
轮齿表面。
D.
球面。
查看完整题目与答案
【单选题】—The couple's quarrelling and fighting last Friday each other. —I think so. Nancy was in the arm and she blamed that her arm the whole week. [     ]
A.
wounded; injured; was hurting
B.
hurt; hurt; was hurting
C.
hurt; wounded; was injuring
D.
injured; hurt; was wounding
查看完整题目与答案
【单选题】-- Did you watch the basketball match last weekend? --- Yes, I did. It was covered , and I think it was wonderful.
A.
lively
B.
alive
C.
living
D.
live
查看完整题目与答案
【单选题】早期城市形成的主要动因是( )
A.
由于人类劳动的大分工
B.
农业和牧业为标志的第一次人类大分工
C.
商业和手工业从农牧业中的分离
D.
商业和手工业的聚集
查看完整题目与答案
【判断题】“V”代表换气记号
A.
正确
B.
错误
查看完整题目与答案
【单选题】物体做直线运动时，有关物体加速度和速度的说法中正确的是（）
A.
在匀加速直线运动中，物体的加速度必定为正值
B.
在匀减速直线运动中，物体的加速度必定为负值
C.
物体的速度等于0，其加速度也一定等于0
D.
物体的加速度方向不变，速度的方向可能改变
查看完整题目与答案
【单选题】As I recall my plane trip around the world last July and August, I think my difficulty was the adjustment to the different ______ served with the food in the various cities we visited.
A.
seasonings
B.
qualities
C.
grades
D.
ingedients
查看完整题目与答案
【简答题】翻译下列单词和词组 1. order v. 2. deliver v. 3.schedule v 4. out of stock
查看完整题目与答案
【简答题】"Personally, I think the minutes from the last meeting were OK. I agree with Mr. Hobbs and ask the Board for approval."
查看完整题目与答案
【单选题】— Did you watch the basketball match last weekend? — Yes, I did. It was covered ______, and I think it was wonderful. [     ]
A.
live
B.
alive
C.
living
D.
lively
查看完整题目与答案
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