题干
It is said that his new book consists of nine chapters.
A：is made up of
B：is connected to
C：is covered with
答案(点此获取答案解析）
A
It is said that his new book consists of nine chapters.
A：is made up of
B：is connected to
C：is covered with
的交流电源上,副线圈所接的负载电阻是11Ω,则副线圈中电流大小是（ ）