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搜题
【单选题】
Total welfare gains from trade to the economy can be measured:A.
as the sum of consumer and producer surpluses.
B.
as the difference between producer surplus and consumer surplus.
C.
as the sum of consumer and producer surpluses minus taxes
D.
as the net gain in consumer surplus that results from an action that alters a market equilibrium.
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皮皮学刷刷变学霸
举一反三
【多选题】可行性研究报告的依据有( )。
A.
国家的长远发展计划和地方规划，政策、法律依据
B.
项目建设书及其审批文件
C.
国家有关本类型公共项目的技术标准、规范、定额等资料
D.
项目所在地自然、经济、社会、技术条件等的历史记录和现状
【单选题】阅读下列代码 import java.io.*;public class Example { public static void main(String[] args)throws Exception { File file = new File("itcast.txt"); FileInputStream in = new FileInputStream(fi...
A.
read(buff)
B.
read()
C.
write(buff)
D.
write()
【多选题】分剪在影视剪辑是常见的,它的作用包括( )
A.
弥补画面素材在数量上和镜头匹配方面的欠缺
B.
制造紧张的气氛和戏剧效果，充分渲染情绪
C.
强调某一画面典型细节和象征性含义
D.
调整叙事节奏，丰富画面表现空
【单选题】When launching an open lifeboat by falls，the boathooks should be（）.
A.
secured forward and aft where readily available
B.
secured amidships where they will not hinder the personnel
C.
used for fending off
D.
used for picking up survivors in the water
【单选题】When launching a lifeboat, frapping lines should be rigged _______
A.
before the gripes （固艇索）are released
B.
before the boat is moved from the davits
C.
at the embarkation deck
D.
after the boat is in the water
【单选题】阅读下列代码 import java.io.*; public class Example{ public static void main(String[] args) throws Exception { File file = new File("itcast.txt"); FileInputStream in = new FileInputStream(file); // 以下是用缓冲区读...
A.
read(buff)
B.
read()
C.
write(buff)
D.
write()
【多选题】以下属于概预算编制依据的有( )
A.
概预算编制办法等法令性文件、概预算定额
B.
设计图纸和施工组织设计资料
C.
工程可行性研究报告
D.
当地物资、劳力动力等资源可资利用的情况，当地自然条件，沿线设施情况
E.
施工单位的施工能力及潜力
【简答题】阅读下列代码
import java.io.*;
public class Example {
public static void main(String[] args)throws Exception {
File file = new File("itcast.txt");
FileInputStream in = new FileInputStr...
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