皮皮学，免费搜题
登录
搜题
【单选题】
encephalosclerosis possibly means?A.
narrowing of brain stem
B.
softening of cerebellum
C.
hardening of brain
D.
disease of spinal cord
手机使用
分享
复制链接
新浪微博
分享QQ
微信扫一扫
反馈参考答案：
举一反三
【单选题】_____ under the oak the next evening I said, "Our first fallacy tonight is called Ad Misericordiam."
A.
Sit
B.
Seated
C.
seating
D.
sat
【单选题】无源二端网络如图所示。输入端的电压 u=220 cos ( 314t+20 ̊ ) V , 电流 i=220 cos ( 314t - 33 ̊ ) A ,试求此二端网络的由两个元件串联的等效电路的功率因数 cosφ= ,该网络的性质为 。
A.
0.6，容性
B.
0.8，容性
C.
0.6，感性
D.
0.8，感性
【单选题】听力原文：M: It's such a nice warm day. I think I'll go and write my report under the oak tree. W: I'd like to join you but I find it hard to concentrate outside, and I need to finish my paper this afterno...
A.
Go and read under the oak tree with the man.
B.
Go and write the report with the man.
C.
Stay at home and finish writing her report.
D.
Stay at home and finish writing her paper.
【单选题】听力原文：M: It's such a nice warm day. I think I'll go and write my report under the oak tree. W: I'd like to join you but I find it hard to concentrate outside, and I need to finish my paper this afterno...
A.
Go and read under the oak tree with the man.
B.
Go and write the report with the man.
C.
Stay at home and finish writing her report.
D.
Stay at home and finish writing her paper.
【简答题】无源二端网络如图所示。输入端的电压 u=220 cos ( 314t+20 ̊ ) V , 电流 i=220 cos ( 314t - 33 ̊ ) A ,试求此二端网络的由两个元件串联的等效电路的功率因数 cosφ= ,该网络的性质为 。
相关题目：
参考解析：
知识点：
题目纠错 0
发布
