皮皮学，免费搜题
登录
搜题
【简答题】
The six official languages of the UN are English, __________, __________, __________, __________ and __________.
拍照语音搜题，微信中搜索"皮皮学"使用
参考答案：
参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【简答题】The boy is (fortune) to get the last ticket. 2. Lisa is such an (attraction) girl that every one likes her. 3. This affects both of you (negative). 4. Could you tell me the following (arrange)? 5. It ...
【简答题】阅读1--5题的人物信息，然后从A、B、C、D和E中，选出符合他们要求的最佳选项， ( )1. Jeff likes sports and travel. He would like something that can help him spend boring time on his journey. ( )2. Mrs Scott doesn't like to exerci...
【简答题】线性非时变系统俗称LTI系统,源自应用数学,直接在核磁共振频谱学、地震学、电路、信号处理和控制理论等技术领域运用。它研究的是线性、非时变系统对任意输入信号的响应。 LTI系统是本课程重点讨论的一种系统,具有线性非时变特性,必须同时满足线性和非时变性,而且,因果性和稳定性也是描述LTI系统的两个重要性质。请用LTI系统知识回答下面问题。
【单选题】在讨论油门踏板位置传感器的结构特点时，技师甲说，有的汽油发动机采用的是电位计式的油门踏板位置传感器，在脚踏油门踏板时，踏板轴带动电位计转动，从而改变电位计的输出电位；技师乙说，有的汽油发动机采用的是霍尔式的油门踏板位置传感器，这种传感器内部无摩擦接触元件，因而寿命更长。请问谁的说法是正确的？（）
A.
只有甲正确
B.
只有乙正确
C.
甲乙均正确
D.
甲乙均不正确
【简答题】完形填空。 June 1 a sister. Her name is Lisa. They are Chinese. June is seven and Lisa is nine 2 old. June's birthday is July 21st. Lisa was born (出生) 3 July, too. Now they are in the same school. They usu...
【简答题】读短文，判断正(√)误(×)。 Lisa and Mary are good friends. They are planning a trip together. Lisa wants to go to sunny Australia! It's so warm there. She can swim all day. She has a new bathing suit (游泳衣) and s...
相关题目：