【单选题】废电池有许多危害,如一节烂在地里的一号电池能使一平方米土地永远失去利用价值,一粒纽扣电池产生的有害物质能污染60吨水,相当于一个人一生的饮用水,关于要消除它的污染,下列做法错误的是( )
【单选题】1873年,明治政府颁布《征兵令》,仿效 _______ 建立陆军,仿效英国建立海军, 即 开始建设近代常备军。
【单选题】某同学利用苹果制作了水果原电池,下列说法正确的是
D.
水果电池工作时氧化反应和还原反应在同一处进行
【单选题】Where are Len and Tracy?
A.
In Len's new apartment.
B.
In Tracy's new apartment.
【判断题】起动机利用蓄电池放电产生转矩,发动机起动时,起动电流很大,起动机在大负荷下工作易产生故障
【单选题】Tracy's parents decided to donate Tracy's organs because ______.
A.
Tracy told them to do so just before he died
B.
they wanted to save others the pain of seeing a dear one die
C.
David's life could continue in a meaningful way
D.
they knew David was suffering from a hopeless liver disease
【简答题】In the text “Remembering Tracy Bill”, Tracy’s liver ______ David, who was suffering from an incurable liver disease.
【多选题】化学电池是利用物质的化学反应产生电能的电池,如( )、( )和( )等。
【单选题】What will the woman do?