写出种子的主要生长循环过程补完整。
种子→根→茎→叶→花→果实
一个电流表的满偏电流Ig=1mA．内阻为500Ω，要把它改装成一个量程为10V的电压表，则应在电流表上（ ）
- Do you know the boy in blue?
- Yes. I ________ him several times since last month.
There is “u” and “s” in the word “just”.
