题目内容
同一高程系统下，高差大小与高程起算面无关。（）
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在青岛观象山上建立的国家水准原点，其高程为72.260米。（）
小地区，独立平面直角坐标系中，北向为y轴正方向，东向为x轴正方向。（）
请大家完成2.5.9两个任务点的学习
大写字母Part II. Vocabulary & StructureDirections: This part is to test your ability to use words and phrases correctly to construct meaningful and grammatically correct sentences. It consists of 2 sections.Section A (10 points)Directions: There are 5 incomplete statements here. You are required to complete each statementby choosing the appropriateanswer from the 4 choices marked A,B,C and D.11. What _________you make the wrong decision?A. forB. asC. ifD. unless12. You can cut ____________ on the number of ads and still reach more people.A. downB. upC. overD. about13. I think you may think that present is a series of process undergoing change ______better.A. for B. to C. at D. by14. Try to ________a balance between work and play.A. moveB. workC. makeD. keep15. They have to ______a limit to the expense of the trip.A. keepB. setC. writeD. read
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