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【单选题】
点的地理坐标中,平面位置是用( )表达的。A.
经纬度
B.
高程
C.
直角坐标
D.
距离和方位角
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反馈参考答案：
举一反三
【简答题】幼儿园教育是_______ 的重要组成部分，是我国学校教育和终身教育的奠基阶段。
【单选题】How many colleges and students are there in Canada?
A.
350600,000
B.
3606,000,000
C.
370600,000
D.
3806,000,000
【单选题】How many Americans are there in colleges and universities?
A.
About seven million.
B.
Half of the American population.
C.
25% of American people.
D.
About 25 million.
【单选题】How many Americans are there in colleges and universities?
A.
About seven million.
B.
Nearly half of the American population.
C.
Young persons under twenty-five.
【单选题】According to the report, how many casualties by {ar are directly due to the radiation?
A.
about 4,000
B.
about tens of thousands
C.
about 50
D.
about 350,000
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