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【单选题】
下面程序段的时间复杂度是 ( ) 。 i = 0;while(i<=n) i = i * 3;
A.
O(2^n)
B.
O(n)
C.
O(n^2)
D.
O(log3n)
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举一反三
【单选题】Why does the man drink lots of coffee?
A.
He has a headache.
B.
He has been fed up with tea.
C.
He is tired.
D.
He is sleepy.
【单选题】Our research has focused on a drug which is so _____ as to be able to change brain chemistry.
A.
powerful
B.
influential
C.
monstrous
D.
vigorous
【多选题】对于改扩建项目一、二级评价项目,大气污染源调查与分析对象应包括( )。
A.
新污染源
B.
老污染源
C.
评价范围内与项目排放污染物有关的其他在建项目
D.
已批复环境影响评价文件的未建项目污染源
【单选题】All the _____________ has been fed into the computer.
A.
schedule
B.
appointment
C.
free
D.
confirmed
E.
data
F.
blog
G.
tiring
【单选题】对于已有项目和改、扩建项目的大气污染源调查,可用( )确定。
A.
类比调查
B.
物料衡算
C.
设计资料
D.
实际监测
【单选题】This newly-built grand theater has a seating______ of ten thousand audience.
A.
volume
B.
power
C.
capacity
D.
capability
【简答题】光电传感器按检测方式分,常用的三类:( ),( ),( )光电传感器。
【单选题】下面程序运行的结果是public abstract class A{public A(){Console.WriteLine('A');}public virtual void Fun(){Console.WriteLine("A.Fun()");}public virtual void Fun2(){Console.WriteLine("A2.Fun2()");}}public class B ...
A.
A.Fun()
B.
B.Fun()
C.
A B A.Fun()
D.
A B B.Fun()
【单选题】She has always _________ her neighbors for the past twenty years.
A.
been fed up with
B.
been on good terms with
C.
got around to
D.
gone along with
【单选题】听力原文: The outgoing parliament in the Palestinian territories has voted to give new powers to the President Mohammad Abbas. The move has been met with anger from the militant group Hamas which won the ...
A.
Fatah Party intended to irritate the militant group Homos.
B.
Fatah Party wanted to strengthen the legislative power.
C.
Fatah Party was defeated in the Palestinian election.
D.
Fatah Party suffered a stunning defeat in the constitutional court.
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