题干
Flowers __________ along the road last year.
A：plant
B：planted
C：are planted
D：were planted
答案(点此获取答案解析）
D
Flowers __________ along the road last year.
A：plant
B：planted
C：are planted
D：were planted
入不同阻值的电阻Rx时，电流表有不同读数I，则表格中①、②的数值应为
