A:贫血
B:白血病
C:癌症
D:急性炎症
如图电路,若要使灯L1、L2串联,则应闭合的开关是____ ;若要使灯L1、L2并联则应闭合的开关是____ 。
— The owner of the small shop fought to stop the big corporation from knocking it down.
— Yes, and he finally made it. It was indeed __________.