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【多选题】
下列哪项属于直流电机结构要求中的电磁要求:A.
结构能产生磁场
B.
感应出电动势
C.
通过电流
D.
产生电磁转矩
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举一反三
【单选题】听力原文：W Hi, Gwen, this is Erica West from Capitol Productions. We're thinking of opening another hotel near Laguna Beach and we'd like to request your services again. Can we meet sometime today or tomo...
A.
To ask Gwen about a client
B.
To request Gwen's services
C.
To get advice on production
D.
To invite Gwen to the beach
【单选题】When Lucy got the gift from her mother , she couldn’t wait ______ it and have a look .
A.
open
B.
opening
C.
to open
D.
opened
【单选题】By serving others, a person focuses on someone other than himself or herself, can be very eye-opening and rewarding. [ ]
A.
who
B.
which
C.
what
D.
that
【多选题】关于集合小管的描述哪些错误
A.
弓形集合小管与远端小管直部相连
B.
弓形集合小管分布于皮质迷路
C.
小管上皮细胞着色深，细胞界限不清
D.
上皮细胞具有分泌H+ 、HCO3-的功能
E.
是尿液浓缩的重要场所
【简答题】British teaching unions Sunday cautiously welcomed government plans to extend school opening hours for pupils ages under 14 that 【M1】______ are aimed at allowing parents working longer and keeping kid...
【多选题】关于集合小管的描述哪些错误？（）
A.
弓形集合小管与远端小管直部相连
B.
弓形集合小管可分布于皮质迷路
C.
小管上皮细胞着色深，细胞界限不清
D.
上皮细胞具有进一步浓缩原尿的功能
【简答题】以下关于现金流量表中的现金计算不正确的是（ ）。
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