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【单选题】
下列绘制双代号时标网络图的步骤①计算网络图的节点参数，②安置节点位置，③绘制时间坐标轴，④按照原网络图逻辑关系绘制工作箭线，⑤标明关键线路，正确的顺序是
A.
①→③→②→④→⑤
B.
③→②→①→④→⑤
C.
①→③→④→②→⑤
D.
④→①→③→②→⑤
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举一反三
【单选题】设数列的通项公式 是一个函数,则它的定义域是( )。
A.
自然数集N
B.
一定是正自然数集
C.
自然数集N的一个有限子集
D.
或{1,2,3，...，n}
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【简答题】听音，选出你听到的句子。 (     ) 1. A. Jenny is wearing a red blouse. (     ) 2. A. Where is the book? (     ) 3. A. Where are you from? (     ) 4. A. Her name is Lily. (     ) 5. A. Jenny is seven years old. B. ...
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【简答题】给下列的问句选择正确的答语。 (     ) 1. Where is Kim? (     ) 2. Where is the book? (     ) 3. What are these? (     ) 4. What are they doing? (     ) 5. Where is Steven? a. He is in the gym. b. They are reading bo...
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【单选题】一个高度为h的二叉树,共n个结点,其中有m个叶子结点,则有()。
A.
n=m+h
B.
h+m=2n
C.
n=2m-1
D.
m=h-1
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【简答题】问句答语连一连。 1. What's your favourite colour? 2. How are you? 3. Where is the book? 4. What colour is it? 5. Is it a ball? A. Yes, it is. B. It is on the desk. C. My favourite colour is red. D. I'm fine. ...
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【单选题】--Where is the book store? --It is ______ the Pine Street.
A.
to
B.
for
C.
in
D.
on
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【单选题】Excuse me,I'm new here. Could you tell me _____? [     ]
A.
where is the book store
B.
that if there was a bookstore
C.
where the bookstore is
D.
how long does it take to get to the bookstore
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【简答题】听音，选出你听到的句子。 (     ) 1. A. Is it new? (     ) 2. A. Her name is Jenny. (     ) 3. A. Where is the book? (     ) 4. A. I'm in the library. (     ) 5. A. How many desks? B. Is it old? B. Her name is Kim...
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【单选题】一个高度为h的满二叉树共有n个结点，其中有m个叶子结点，则有（ ）
A.
n=h+m
B.
h+m=2n
C.
n=2m-1
D.
m=h-1
查看完整题目与答案
【简答题】设一个函数的解析式为 ，它的值域为 ，则该函数的定义域为 .
查看完整题目与答案
相关题目：
【单选题】设数列的通项公式 是一个函数,则它的定义域是( )。
A.
自然数集N
B.
一定是正自然数集
C.
自然数集N的一个有限子集
D.
或{1,2,3，...，n}
查看完整题目与答案
【简答题】听音，选出你听到的句子。 (     ) 1. A. Jenny is wearing a red blouse. (     ) 2. A. Where is the book? (     ) 3. A. Where are you from? (     ) 4. A. Her name is Lily. (     ) 5. A. Jenny is seven years old. B. ...
查看完整题目与答案
【简答题】给下列的问句选择正确的答语。 (     ) 1. Where is Kim? (     ) 2. Where is the book? (     ) 3. What are these? (     ) 4. What are they doing? (     ) 5. Where is Steven? a. He is in the gym. b. They are reading bo...
查看完整题目与答案
【单选题】一个高度为h的二叉树,共n个结点,其中有m个叶子结点,则有()。
A.
n=m+h
B.
h+m=2n
C.
n=2m-1
D.
m=h-1
查看完整题目与答案
【简答题】问句答语连一连。 1. What's your favourite colour? 2. How are you? 3. Where is the book? 4. What colour is it? 5. Is it a ball? A. Yes, it is. B. It is on the desk. C. My favourite colour is red. D. I'm fine. ...
查看完整题目与答案
【单选题】--Where is the book store? --It is ______ the Pine Street.
A.
to
B.
for
C.
in
D.
on
查看完整题目与答案
【单选题】Excuse me,I'm new here. Could you tell me _____? [     ]
A.
where is the book store
B.
that if there was a bookstore
C.
where the bookstore is
D.
how long does it take to get to the bookstore
查看完整题目与答案
【简答题】听音，选出你听到的句子。 (     ) 1. A. Is it new? (     ) 2. A. Her name is Jenny. (     ) 3. A. Where is the book? (     ) 4. A. I'm in the library. (     ) 5. A. How many desks? B. Is it old? B. Her name is Kim...
查看完整题目与答案
【单选题】一个高度为h的满二叉树共有n个结点，其中有m个叶子结点，则有（ ）
A.
n=h+m
B.
h+m=2n
C.
n=2m-1
D.
m=h-1
查看完整题目与答案
【简答题】设一个函数的解析式为 ，它的值域为 ，则该函数的定义域为 .
查看完整题目与答案
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