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1:2000地形图的比例尺精度是_的答案

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He asked me ___________ Zhang Hua came to school or not. 

— What would you like to have, meat or fish?

— _____________________.

— I would like to make an appointment for the meeting. Which day would you prefer, Tuesday or Thursday?

— _________________ 

It's ___________ to point to or talk about strangers in public.

— ___________________

— Once or twice a week.

— Which city has _________population, Beijing, Guiyang or Nanchang?

— Beijing, of course.

若知道某地形图上线段AB的长度是3.5cm,而该长度代表实地水平距离为17.5m,则该地形图的比例尺为_________,比例尺精度为__________。

精度最高的量表是________。

衡量测量精度的指标有中误差、______________和极限误差。
到目前为止,已经学过的减小误差提高测量精度的方法有: (____)、(____)、(____)、(____)、(____)、(____)、(____)、(____)、
地形图测绘方法有_________、_________、__________。

分别标出如图所示1_______________2_______________3_____________4___________5___________部位。

读我国东南沿海某地区的等高线地形图(图甲)和某日太阳光照图(图乙),回答下列问题.
(1)读图甲,该地区的地形类型有______和______两种.
(2)M村的海拔高度范围是______,量得M村到N村图上距离是2厘米,两村的实际距离是______千米.
(3)图乙所表示的节气是______,在该季节内,M村的气候特征是______.
(4)从因地制宜发展农业生产考虑,M村适合发展______,N村适合发展______.

番茄紫茎(A)对绿茎(a)是显性,缺刻叶(B)对马铃薯叶(b)是显性,这两对性状独立遗传:


 

(1)用两个番茄亲本杂交,F1性状比例如上表。这两个亲本的基因型分别是______和______。
(2)基因型为AaBb的番茄自交,F1中能稳定遗传的个体占______,F1中基因型为AABb的比例是______.

分别标出如图所示1_______________2_______________3_____________4___________为哪根血管。

分别标出如图所示1_______________2_______________3_____________4___________为哪根血管。

水准测量高差闭合的调整方法是将闭合差反其符号,按各测段的__________成比例分配或按_________成比例分配。

— Which city has _________population, Beijing, Guiyang or Nanchang?

— Beijing, of course.

— I would like to make an appointment for the meeting. Which day would you prefer, Tuesday or Thursday?

— _________________ 

将地形图上___所表示的___称为比例尺精度。
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