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【判断题】
齿轮传动的特点是传动比恒定，适合于两轴相距较远距离的传动。
A.
正确
B.
错误
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【单选题】回答{TSE}题： A Letter from Alan I have learnt of a plan to build three hundred houses on the landcalled Parson's Place by the football grounD．Few people know about this newplan to increase the size of ou...
A.
To perersuade the government to build new houses.
B.
To protest about a new motorway near the town.
C.
To encourage more people in the town to use Parson's Place.
D.
To inform. other people about the builders' plans.
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【单选题】D ear Sukie: I need your help! I can ’ t get a job. E verywhere I go, I get the same answer “ No ” . What should I do? Sad Sam You are reading a letter of asking for .
A.
a job
B.
advice
C.
a reply
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【多选题】一批钢制拉杆，工作时不允许产生明显的塑性变形，最大工作应力σmax＝350MPa。今欲选用某钢制做该拉杆。现将该钢制成d0＝10mm的标准拉抻试样进行拉抻试验，测得Ps＝21500N,Pb＝35100N,试判断该钢是否满足使用要求？其选材依据计算值是多少？。A.能满足要求B.不能满足要求C.依据бs≈274MPaD.依据бb≈447MPaE.依据бs≈274MPa、бb≈447MPa同时判断
A.
A
B.
B
C.
C
D.
D
E.
E
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【简答题】阅读理解。 Dear Harry Potter, Hi! I'm Kevin from India. I really feel lucky to write you a letter. Though I live far away from your world, I think we are a little alike, You are a great wizard (奇才). You ha...
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【单选题】在画水平圆的正等测图时,选用哪两个轴测轴?( )
A.
X、Y轴
B.
X、Z轴
C.
Y、Z轴
D.
以上答案都不对
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【单选题】I wrote a letter,___ I forgot to mail it
A.
an d
B.
bu t
C.
or
D.
while
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【单选题】在画平行于水平投影面的圆的正等测图时,选用哪两个轴测轴?( )
A.
X.、Y轴
B.
X.、Z轴
C.
Y.、Z轴
D.
以上答案都不对
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【简答题】一批钢制拉杆,工作时不允许产生明显的塑性变形,最大工作应力 σ max = 350MPa 。现对一候选材料制成的 d 0 =10mm 的标准试样进行拉伸试验,测得 F s =21500 N , F b =35100 N ,则该钢 使用要求,因为 。
查看完整题目与答案
【单选题】在画水平圆的正等测图时,选用哪两个轴测轴
A.
X.、Y轴
B.
X.、Z轴
C.
Y.、Z轴
D.
其余选项均不正确
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【单选题】An excerpt from a letter M y friend and I didn ’ t use to argue, but now we never get along. W e fight all the time. I hate to see him get into trouble. H e says I shouldn ’ t tell him what to do. But...
A.
doesn’t like his friend all the time
B.
wants to forget his friend
C.
used to fight all the time
D.
still wants to save this friendship
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相关题目：
【单选题】回答{TSE}题： A Letter from Alan I have learnt of a plan to build three hundred houses on the landcalled Parson's Place by the football grounD．Few people know about this newplan to increase the size of ou...
A.
To perersuade the government to build new houses.
B.
To protest about a new motorway near the town.
C.
To encourage more people in the town to use Parson's Place.
D.
To inform. other people about the builders' plans.
查看完整题目与答案
【单选题】D ear Sukie: I need your help! I can ’ t get a job. E verywhere I go, I get the same answer “ No ” . What should I do? Sad Sam You are reading a letter of asking for .
A.
a job
B.
advice
C.
a reply
查看完整题目与答案
【多选题】一批钢制拉杆，工作时不允许产生明显的塑性变形，最大工作应力σmax＝350MPa。今欲选用某钢制做该拉杆。现将该钢制成d0＝10mm的标准拉抻试样进行拉抻试验，测得Ps＝21500N,Pb＝35100N,试判断该钢是否满足使用要求？其选材依据计算值是多少？。A.能满足要求B.不能满足要求C.依据бs≈274MPaD.依据бb≈447MPaE.依据бs≈274MPa、бb≈447MPa同时判断
A.
A
B.
B
C.
C
D.
D
E.
E
查看完整题目与答案
【简答题】阅读理解。 Dear Harry Potter, Hi! I'm Kevin from India. I really feel lucky to write you a letter. Though I live far away from your world, I think we are a little alike, You are a great wizard (奇才). You ha...
查看完整题目与答案
【单选题】在画水平圆的正等测图时,选用哪两个轴测轴?( )
A.
X、Y轴
B.
X、Z轴
C.
Y、Z轴
D.
以上答案都不对
查看完整题目与答案
【单选题】I wrote a letter,___ I forgot to mail it
A.
an d
B.
bu t
C.
or
D.
while
查看完整题目与答案
【单选题】在画平行于水平投影面的圆的正等测图时,选用哪两个轴测轴?( )
A.
X.、Y轴
B.
X.、Z轴
C.
Y.、Z轴
D.
以上答案都不对
查看完整题目与答案
【简答题】一批钢制拉杆,工作时不允许产生明显的塑性变形,最大工作应力 σ max = 350MPa 。现对一候选材料制成的 d 0 =10mm 的标准试样进行拉伸试验,测得 F s =21500 N , F b =35100 N ,则该钢 使用要求,因为 。
查看完整题目与答案
【单选题】在画水平圆的正等测图时,选用哪两个轴测轴
A.
X.、Y轴
B.
X.、Z轴
C.
Y.、Z轴
D.
其余选项均不正确
查看完整题目与答案
【单选题】An excerpt from a letter M y friend and I didn ’ t use to argue, but now we never get along. W e fight all the time. I hate to see him get into trouble. H e says I shouldn ’ t tell him what to do. But...
A.
doesn’t like his friend all the time
B.
wants to forget his friend
C.
used to fight all the time
D.
still wants to save this friendship
查看完整题目与答案