皮皮学,免费搜题
登录
搜题
【简答题】
已知数列 中, 且 ( )。 (1)求 , 的值; (2)设 ,是否存在实数 ,使数列 为等差数列,若存在请求其通项 ,若不存在请说明理由。
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
【单选题】最早的针具材料是
A.
B.
C.
D.
【判断题】Where to sit in a western dinner is often determined by the identities and social status of diners.()
A.
正确
B.
错误
【判断题】( ) 3. 缩短版商品条码所表示的代码由13数字组成。
A.
正确
B.
错误
【单选题】给定一部分边界面上各点的位函数值以及其余边界面上位函数的法向导数值,属于( )边界条件。
A.
第一类
B.
第二类
C.
第三类
D.
第四类
【简答题】Western dinner table
【单选题】A western dinner usually consists of __________.
A.
a starter, a main course and a dessert
B.
a starter and a main course
C.
a main course and a dessert
D.
a starter, a main course and a coffee
【单选题】听力原文:W: Why are you leaving so early? The movie doesn't start till seven. M: I don't want to be at the traffic there. It's a nightmare on the expressway during rush hour. Q: What does the man mean? (1...
A.
He doesn't usually get up at 7: 00.
B.
He doesn't know the way to the theater.
C.
He wants to go early to avoid a traffic jam.
D.
He leaves the theater before the movie is over.
【单选题】People never ask for ______second bowl of soup at a dinner party in western countries.
A.
the
B.
a
C.
another
D.
the other
【简答题】This award was in honor of his many accomplishments for the community and no one was in doubt of his deserving it.
【单选题】What can you do if having dinner with western people in the western?
A.
Wash hands before each meal
B.
The knife and spoon are placed on the left
C.
Talk to the people around the table
D.
Put the napkin in front of your face
相关题目: