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【简答题】
令线性定常系统传递函数的分子多项式为零,则可得到系统的( )点; 令线性定常系统传递函数的分母多项式为零,则可得到系统的( )点。
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【单选题】I am confused when I come across some___________,such as "886", or 3166”.
A.
abbreviations
B.
riddles
C.
mysteries
D.
legends
【单选题】如果使用A型病人的全血去鉴定其他人血型,出现的现象是被检测人的血浆与 A 型人细胞不凝集,细胞与 A 型人的血清不凝集。则此被检测人的血型为
A.
B.
C.
O 型
D.
AB 型
【多选题】查看聊天记录的操作流程是?
A.
选择需要查看记录的好友
B.
点击选择查看的聊天记录的类型
C.
在聊天框上方找到“聊天记录”按钮
D.
并双击其头像
E.
可选择“查看最近聊天记录”、“查看本地聊天记录”、“查看在线聊天记录”
【单选题】I remember ______ to Paris when I was a very small child.
A.
taking
B.
to be taken
C.
being taken
D.
to take
【单选题】i am confused when i ____________ some abbreviations.
A.
come
B.
come back
C.
come on
D.
come across
【单选题】I _______ in this small mountain village when I was a child. [     ]
A.
use to live
B.
used to living
C.
used to live
D.
used to life
【简答题】IV. 介词填空:( 10% ) 1. You are 20 years old. Stop acting ______ a kid. 2. When the teacher began to speak, all of the students turned their eyes _____ her and stopped talking. 3. Many agers are fond ...
【单选题】如果使用 B 型病人的全血去鉴定其他人血型,出现的现象是被检测人的血浆与 B 型人细胞凝集,细胞与 B 型人的血清凝集。则此被检测人的血型为
A.
B.
C.
O 型
D.
AB 型
【单选题】When she was a child, she used to help her mother on the small farm_____ they lived. [     ]
A.
in which
B.
on that
C.
there
D.
where
【简答题】Match the following sentences with their Chinese translation.A. I surfed the Internet a lot.B. Let's take a guess.C. Who are you chatting with?D. You really go online a lot, don't you?E. I spent almos...
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