【多选题】当使用ArrayList x = new ArrayList(2) 创建一个ArrayList,以下那句话正确?
【单选题】要在jsp中使用ArrayList,做法正确的是( )。
C.
import="java.util.ArrayList"%>
D.
package="java.util.ArrayList"%>
【单选题】广度优先爬取数据from bs4 import BeautifulSoupimport urllib.requestclass Queue: def __init__(self): self.st=[] def fetch(self): return self.st.pop(0) def enter(self,obj): self.st.append(obj) def e...
A.
href=link["href"];queue.fetch()
B.
href=link.href;queue.enter(url)
C.
href=link["href"];queue.enter(url)
D.
href=link.href;queue.fetch()
【单选题】您可以使用_________创建ArrayList。
【单选题】不重复访问网站,使用队列的程序from bs4 import BeautifulSoupimport urllib.requestclass Queue: def __init__(self): self.st=[] def fetch(self): return self.st.pop(0) def enter(self,obj): self.st.append(obj)...
A.
queue.empty(); href=link["href"]
B.
not queue.empty(); href=link["href"]
C.
queue.empty(); href=link.href
D.
not queue.empty(); href=link.href
【简答题】补全对话。 A. Something is wrong with my robot. B. How about tomorrow? C. I'd love to. D. Could you help me? E. speaking. A : Hello. B: Hello. This is Mary. May I speak to John. please? A: 1__________ B: H...
【多选题】等级较高的城镇道路线路的平面线形由()组成。
【单选题】广度优先爬取数据 from bs4 import BeautifulSoup import urllib.request class Queue: def __init__(self): self.st=[] def fetch(self): return self.st.pop(0) def enter(self,obj): self.st.append(obj) def empty(self)...
A.
href=link.href;queue.fetch()
B.
href=link["href"];queue.fetch()
C.
href=link.href;queue.enter(url)
D.
href=link["href"];queue.enter(url)
【简答题】I. Match the questions with the answers. 1. How did you find the city? A. Pandas are unique to China. 2. How about the weather there? B. ...
【单选题】为了适应车辆从一条折线段进入另一折线段需要设置( )。