______ New York is a world in itself because many different races and ethnic groups ______ each other.
A. To a certain extent, intermingle with
B. To a certain degree, live with
C. In a certain way, are mixed up with
D. To a certain extent, intermingle
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Don’t let us put it ______ until tomorrow. Let’s get it______ the way.
A. aside, out of
B. off, out of
C. away, off
D. off, outside
磁场的大小用磁场强度H表示，与所在空间的物质属性无关。
A. 对
B. 错
如果将软铁芯放入（圆柱形）线圈中，其他条件都不变，线圈对磁针的作用力将保持不变。
A. 对
B. 错
电感是导体回路（线圈）的一种特性参量。
A. 对
B. 错
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