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【单选题】
在像片上，以像主点位原点，对框标连线为X、Y轴，用于描述像点平面位置的直角坐标系称为（）
A.
摄影测量坐标系
B.
像平面坐标系
C.
像空间坐标系
D.
物空间坐标系
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举一反三
【单选题】What can we learn from Servals words in Paragraph 3?
A.
You will find it enjoyable to see a dentist.
B.
You should see your dentist on a day-to-day basis.
C.
You can brush with the Kolibree as if guided by a dentist.
D.
You'd like a dentist to watch you brush your teeth every day.
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【简答题】简要分析这首诗歌所抒发的感情。 查看材料
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【单选题】执行下列程序后,f的值为_____ int f=5; switch(f) {case 5:f++; case 6: f+1; case 7:f*=3;break; case 8:++f; }
A.
15
B.
19
C.
21
D.
18
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【单选题】著名的幼儿故事诗《小弟和小猫》的作者是（）
A.
张继楼
B.
任溶溶
C.
柯岩
D.
刘饶民
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【单选题】I am sorry I can't see you immediately; but if you'd like to take a seat, I'll be with you ___ .
A.
for a moment
B.
in a moment
C.
for the moment
D.
at the moment
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【简答题】某转轴由一对代号为 30312 的圆锥滚子轴承支承,轴上斜齿轮的轴向分力 Fx=5000N ,方向如图。已知两轴承处的径向支反力 F r1 =13600N , F r2 =22100N 。求两轴承所受的轴向力 Fa1,Fa2。( Fs=Fr/ (2Y) ,Y=1.7 )
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【单选题】对这首诗歌描绘错误的是()
A.
这首诗描绘一幅清新的雨后天晴图。
B.
这首诗表达了人们热爱生活，热爱大自然的思想感情。
C.
这首诗歌中描写了泥路、小路、小草、小白菊等景物
D.
这首诗歌运用了排比，反问，拟人的修辞手法。
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【简答题】If you'd like, we will be very happy to arrange a visit to our factory. Thanks a lot. If I could stay here for a few days, I'd be to see you at your factory.
查看完整题目与答案
【单选题】听力原文：MB I'd like to return this shirt. I bought it here yesterday here's my receipt. WB May I ask what's the problem with it, sir? MB It has a hole in it. I haven't worn it, but I found a hole — here,...
A.
Earlier that day
B.
The day before
C.
One week ago
D.
More than a month ago
查看完整题目与答案
【简答题】某转轴由一对代号为 30312 的圆锥滚子轴承支承,轴上斜齿轮的轴向分力 F x =5000N ,方向如图。已知两轴承处的径向支反力 F r1 =13600N , F r2 =22100N 。已知内部轴向力 , Y=1.7 。求轴承所受的轴向力 F a 。
查看完整题目与答案
相关题目：
【单选题】What can we learn from Servals words in Paragraph 3?
A.
You will find it enjoyable to see a dentist.
B.
You should see your dentist on a day-to-day basis.
C.
You can brush with the Kolibree as if guided by a dentist.
D.
You'd like a dentist to watch you brush your teeth every day.
查看完整题目与答案
【简答题】简要分析这首诗歌所抒发的感情。 查看材料
查看完整题目与答案
【单选题】执行下列程序后,f的值为_____ int f=5; switch(f) {case 5:f++; case 6: f+1; case 7:f*=3;break; case 8:++f; }
A.
15
B.
19
C.
21
D.
18
查看完整题目与答案
【单选题】著名的幼儿故事诗《小弟和小猫》的作者是（）
A.
张继楼
B.
任溶溶
C.
柯岩
D.
刘饶民
查看完整题目与答案
【单选题】I am sorry I can't see you immediately; but if you'd like to take a seat, I'll be with you ___ .
A.
for a moment
B.
in a moment
C.
for the moment
D.
at the moment
查看完整题目与答案
【简答题】某转轴由一对代号为 30312 的圆锥滚子轴承支承,轴上斜齿轮的轴向分力 Fx=5000N ,方向如图。已知两轴承处的径向支反力 F r1 =13600N , F r2 =22100N 。求两轴承所受的轴向力 Fa1,Fa2。( Fs=Fr/ (2Y) ,Y=1.7 )
查看完整题目与答案
【单选题】对这首诗歌描绘错误的是()
A.
这首诗描绘一幅清新的雨后天晴图。
B.
这首诗表达了人们热爱生活，热爱大自然的思想感情。
C.
这首诗歌中描写了泥路、小路、小草、小白菊等景物
D.
这首诗歌运用了排比，反问，拟人的修辞手法。
查看完整题目与答案
【简答题】If you'd like, we will be very happy to arrange a visit to our factory. Thanks a lot. If I could stay here for a few days, I'd be to see you at your factory.
查看完整题目与答案
【单选题】听力原文：MB I'd like to return this shirt. I bought it here yesterday here's my receipt. WB May I ask what's the problem with it, sir? MB It has a hole in it. I haven't worn it, but I found a hole — here,...
A.
Earlier that day
B.
The day before
C.
One week ago
D.
More than a month ago
查看完整题目与答案
【简答题】某转轴由一对代号为 30312 的圆锥滚子轴承支承,轴上斜齿轮的轴向分力 F x =5000N ,方向如图。已知两轴承处的径向支反力 F r1 =13600N , F r2 =22100N 。已知内部轴向力 , Y=1.7 。求轴承所受的轴向力 F a 。
查看完整题目与答案