若f(k)=1-12+13-14+…+12k-1-12k，则f（k+1）=f（k

根据图片所示内容填空。

1. Uncle Da Chao is my father's _______________.

2. Jing is my _______________.

3. Jing is my uncle Da Chao's _______________.

4. _______________ Mei Ping is my _______________ Da Chao's _______________.

5. My father and uncle Da Chao are my grandfather's _______________.

Li Ping’s mother was angry with him because he spent all he had        an MP5.

A. to buy              B. buying              C. bought

导体局部发热时应建议调度员（），并及时采取相应措施防止事故发生。

A.停电

B.调整电压

C.减少负荷

D.采取降温措施

患者18岁，发热，起病3天后体温下降，伴恶心、呕吐，尿色深如豆油样，病程第8天出现嗜睡，继之神志不清，巩膜皮肤深度黄疸，肝界缩小，诊断应考虑（）

A.感染中毒性脑病

B.急性黄疸型肝炎

C.急性重型肝炎

D.亚急性重型肝炎

E.淤胆型肝炎

在降压变压器中，和原边绕组匝数比，副边绕组匝数（）。

A.多

B.少

C.相同

D.随型号而变