若想climate change 和air pollution同时出现在检索结果中且相隔不超过N个字，应使用的逻辑运算符是（） A、逻辑或 B、逻辑与 C、逻辑非 D、位置算符 - 查题网

>> 成人高等教育 / 口腔内科学

成人高等教育 / 口腔内科学

正确率：100%

若想climate change 和air pollution同时出现在检索结果中且相隔不超过N个字，应使用的逻辑运算符是（）

A、
逻辑或
B、
逻辑与
C、
逻辑非
D、
位置算符

积分

口腔内科学

参考答案：

点击查看答案

佳题速递：

( )是按电气原理设计的敏感元件.数字电路（计算机）.按液压原理设计的放大元件及液压伺服机构构成的汽轮机控制系统。A、DCS； B、ATC； C、DEH； D、MEH计算机控制系统

78、Do you often wait for a long time _ _ _ _ _ _ the bus stop? A.in B.on C.at D.under统考英语词汇与语法

题型描述: 阅读理解Jacks is the name of a game that is quite popular with children. To play jacks, you will need a small rubber ball and ten small metal objects called jacks.The rules for this game are not very difficult. To begin, you put the ten jacks on the floor or ground in front of you. Throw the ball up (but not too high), pick up one jack, and then catch the ball. Keep the jack in your hand and then continue to pick up the other jacks one at a time. You lose your turn if you do not catch the ball, you do not pick up a jack, or you drｏp any jacks from your hand.When you finish all ten jacks, you now try to do the same thing again but with two jacks at one time. This is more difficult of course. You lose your turn if you make any of the other three mistakes or if you do not pick up exactly two jacks each time.1、 To play the game, you will need a rubber band and ten small iron objects. A. F B. T 2、 The rules for playing jacks are quite difficult. A. Y B. F 3、 You have to pick up two jacks each time after you finish the first ten jacks successfully. A. F B. T 4、 Many children like the game very much. A. F B. T 5、 The rules for the game will become more practical after you pick up the first ten jacks. A. F B. T统考英语B

(A)(B)(C)(D)工程制图

中国民族资产阶级与帝国主义、封建势力联系较少，受帝国主义、封建势力压迫较深，因而具有较强的革命性,成为资产阶级革命派的阶级基础正确错误中国近现代史纲要

_ _ _ _ _ _ ，the boy doesn't study well．大学英语（下）