WhatisNOTTRUEaboutHenry'selectr omagnet?
A.Hismagnetcould.hold2,300pounds.
B.Hismagnetwasmoredangerous.
C.Thereweremoreturnsofwirearoundtheironrodinhismagnet.
D.Hismagnetwasanimprovedmodel.
正确答案:B[解析]通过阅读可知选项B文中未提及。

WhatisNOTTRUEaboutHenry'selectr omagnet?
A.Hismagnetcould.hold2,300pounds.
B.Hismagnetwasmoredangerous.
C.Thereweremoreturnsofwirearoundtheironrodinhismagnet.
D.Hismagnetwasanimprovedmodel.
正确答案:B