问题
选择题
Tom does his homework _____ Lily. [ ]
A. as carfully as
B. as careful as
C. so careful as
D. so carefully as
答案
答案：A
搜题请搜索小程序“爱下问搜题”
Tom does his homework _____ Lily. [ ]
A. as carfully as
B. as careful as
C. so careful as
D. so carefully as
答案：A
下列关于感应电动势的说法中正确的是：（ ）
A．穿过闭合回路的磁通量减小，回路中的感应电动势一 定也减小 | B．穿过闭合回路的磁通量变化量越大，回路中的感应电动势也越大 |
C．线圈 放在磁场越强的位置，产生的感应电动势一定越大 | |
| D．穿过闭合回路的磁通量的变化率不变，回路中的感应电动势也不变 |
