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【单选题】
已知数列{a n }满足a n =2 2n-1 ，则（ ）A.
数列{a n }是公比为2的等比数列
B.
数列{a n }是公比为4的等比数列
C.
数列{a n }是公差为2的等差数列
D.
数列{a n }是公差为4的等差数列
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【简答题】根据句意及首字母提示，填写单词。 1. I’d like to have two apple p________. 2. Boys, stop t_______ stones at the poor dog. 3. The dish Mom cooked p_________ a nice smell. 4. One c_________ means a hundred years. 5. In ...
【简答题】Have you got a p______? I’d like to call my daughter.
【简答题】简单评析层次网络模型的基本内容及局限性
【单选题】A:Hello. Is that Meiwei Restaurant? B:Yes. ______1________? A:I want to know if you send take-away food? B:Sure. A:I’d like to order for dinner. B: ______2_______ A:I’d like to have beef with potatoes...
A.
Is there anything else?
B.
Room 201 in Hengyu Building.
C.
What would you like to have?
D.
You can pay us on the internet.
E.
What can I do for you? 第1空的答案是__________
【单选题】A:Hello. Is that Meiwei Restaurant? B:Yes. ______1________? A:I want to know if you send take-away food? B:Sure. A:I’d like to order for dinner. B: ______2_______ A:I’d like to have beef with potatoes...
A.
Is there anything else?
B.
Room 201 in Hengyu Building.
C.
What would you like to have?
D.
You can pay us on the internet.
E.
What can I do for you? 第2空的答案是__________
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