【单选题】设数列的通项公式 是一个函数,则它的定义域是( )。
【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. ...
【简答题】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n和m的关系是()。
【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()。
【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. ...
【单选题】--Where is the book store? --It is ______ the Pine Street.
【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
【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...
【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( )
【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 .