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【单选题】
当一棵有n个结点的二按层次从上到下,同层次从左到右将数据存放在一维数组 A[l..n]中时,数组中第i个结点的为
A.
A[2i](2i=
B.
A[2i+1](2i+1=< n)
C.
A[i/2]
D.
无法确定
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参考答案：
举一反三
【单选题】What do we learn about American autoworkers in 1950?
A.
They had less job security than they do today.
B.
It was not too difficult for them to buy a house.
C.
Their earnings were worth twice as much as today.
D.
They were better off than workers in other industries.
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【单选题】下面句子中,成语用错的一项是( )。
A.
十五年前的一个下午，我摇着轮椅进入园中，它为一个 失魂落魄 的人把一切都准备好了。
B.
上帝在交给我们这件事实的时候，已经顺便保证了它的结果，所以死是一件不必 急于求成 的事，死是一个必然会降临的节日。
C.
我们也曾有约，无论谁先走，剩下的那人都要 一如既往 地好好活着。
D.
在我 心烦意乱 只渴求一张北大金融系录取通知书的时候，有记者打 电话告诉我 : “你是今年四川省理科状元。”
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【单选题】下列昆虫中触角为鳃叶状的是（）。
A.
蜜蜂
B.
菜粉蝶
C.
二化螟
D.
金龟甲
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【单选题】What do we learn about Pete Gentry?
A.
He saved the life of his brother choking on food.
B.
He rescued a student from a big fire.
C.
He is very good at public speaking.
D.
He gives informative talks to young children.
查看完整题目与答案
【简答题】Conversation 1. What do we learn about the man? [     ] A. He hopes to become a painter some day. B. He knows little about painting. C. He doesn't like the course at all. 2. Who is Lisa Frank? [     ]...
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【简答题】听下面一段对话，回答第1-2小题。 1. What do we learn about Bill? A. He just got out of trouble. B. He did something right. C. He enjoyed what he had done. 2. What kind of film does the woman prefer? A. Something exc...
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【简答题】听短文，回答问题。 1. What do we learn about Susan? A. She likes Yellow Stone Park. B. She likes postcards very much. C. She likes traveling all over the world.
查看完整题目与答案
【单选题】下面句子中成语使用正确的一项是( )
A.
尽管计算机是高科技工具，但拥有它并不意味着工作都可以事倍功半。
B.
扬州茱萸湾公园成立了野生动物救助中心，一些遭伤害的野生动物又栩栩如生了。
C.
“神舟”五号载人飞船把我国首位航天员成功送入浩瀚的太空并安全返回，这是 我国航天事业取得的又一 空前绝后 的成就。
D.
从风格看，李白的诗飘逸豪放，杜甫的诗沉郁顿挫，各有千秋。
查看完整题目与答案
【简答题】听1段对话，回答第1小题。 1. What do we learn about Susan? [     ] A. She likes Yellow Stone Park. B. She likes postcards very much. C. She likes traveling all over the world.
查看完整题目与答案
【单选题】What do we learn about the Sainabury’s?
A.
It is adjusting its power-consuming policy.
B.
It is using food waste to generate electricity.
C.
It is consuming more power than ever before.
D.
It is being affected by a lack of power.
查看完整题目与答案
相关题目：
【单选题】What do we learn about American autoworkers in 1950?
A.
They had less job security than they do today.
B.
It was not too difficult for them to buy a house.
C.
Their earnings were worth twice as much as today.
D.
They were better off than workers in other industries.
查看完整题目与答案
【单选题】下面句子中,成语用错的一项是( )。
A.
十五年前的一个下午，我摇着轮椅进入园中，它为一个 失魂落魄 的人把一切都准备好了。
B.
上帝在交给我们这件事实的时候，已经顺便保证了它的结果，所以死是一件不必 急于求成 的事，死是一个必然会降临的节日。
C.
我们也曾有约，无论谁先走，剩下的那人都要 一如既往 地好好活着。
D.
在我 心烦意乱 只渴求一张北大金融系录取通知书的时候，有记者打 电话告诉我 : “你是今年四川省理科状元。”
查看完整题目与答案
【单选题】下列昆虫中触角为鳃叶状的是（）。
A.
蜜蜂
B.
菜粉蝶
C.
二化螟
D.
金龟甲
查看完整题目与答案
【单选题】What do we learn about Pete Gentry?
A.
He saved the life of his brother choking on food.
B.
He rescued a student from a big fire.
C.
He is very good at public speaking.
D.
He gives informative talks to young children.
查看完整题目与答案
【简答题】Conversation 1. What do we learn about the man? [     ] A. He hopes to become a painter some day. B. He knows little about painting. C. He doesn't like the course at all. 2. Who is Lisa Frank? [     ]...
查看完整题目与答案
【简答题】听下面一段对话，回答第1-2小题。 1. What do we learn about Bill? A. He just got out of trouble. B. He did something right. C. He enjoyed what he had done. 2. What kind of film does the woman prefer? A. Something exc...
查看完整题目与答案
【简答题】听短文，回答问题。 1. What do we learn about Susan? A. She likes Yellow Stone Park. B. She likes postcards very much. C. She likes traveling all over the world.
查看完整题目与答案
【单选题】下面句子中成语使用正确的一项是( )
A.
尽管计算机是高科技工具，但拥有它并不意味着工作都可以事倍功半。
B.
扬州茱萸湾公园成立了野生动物救助中心，一些遭伤害的野生动物又栩栩如生了。
C.
“神舟”五号载人飞船把我国首位航天员成功送入浩瀚的太空并安全返回，这是 我国航天事业取得的又一 空前绝后 的成就。
D.
从风格看，李白的诗飘逸豪放，杜甫的诗沉郁顿挫，各有千秋。
查看完整题目与答案
【简答题】听1段对话，回答第1小题。 1. What do we learn about Susan? [     ] A. She likes Yellow Stone Park. B. She likes postcards very much. C. She likes traveling all over the world.
查看完整题目与答案
【单选题】What do we learn about the Sainabury’s?
A.
It is adjusting its power-consuming policy.
B.
It is using food waste to generate electricity.
C.
It is consuming more power than ever before.
D.
It is being affected by a lack of power.
查看完整题目与答案
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