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【多选题】
全站仪的主要技术指标有哪些A.
最小测程
B.
放大倍率
C.
测角精度
D.
测距精度
E.
最大测程
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反馈参考答案：
举一反三
【单选题】By the end of this term, we______3,000 English words in all.
A.
will learn
B.
will have learned
C.
have learned
D.
had learned
【简答题】已知某试样中可能含有 Na 3 PO 4 或 Na 2 HPO 4 、 NaH 2 PO 4 ,或某些物质的混合物,同时还有惰性杂质。取该试样 2.000g ,用水溶解,采用甲基橙为指示剂,以 0.5000 mol·L -1 HCl 标准溶液滴定,用去 32.00mL ;而用酚酞作指示剂时,同样质量的试样的溶液,只需上述 HCl 溶液 12.00 mL 滴定至终点。问试样由何种成分组成?各成分的含...
【单选题】We will have finished ________ Unit 15 by April. We can review all the lessons.
A.
learning
B.
learn
C.
learned
D.
to learn
【判断题】Money acts as a unit of account because we can use it to measure the relative value of goods and services.()
A.
正确
B.
错误
【简答题】unit 2 If we study the humanities alone, we are to miss many opportunities.A. liable
【单选题】We ______ four thousand new words by the end of last year. [ ]
A.
learned
B.
had learned
C.
have learned
D.
will learn
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