【单选题】停车场入口部分主要由入口票箱、自动路闸、( )、入口摄像系统等组成。
【单选题】My first decision, to buy a used laptop, led to problems with money. I had always wanted an IBM. So, when I saw an add for a used one, I went to look at it. I shouldn ’ t have gone. As aoon as I saw i...
A.
the writer should have bought a new laptop.
B.
the writer regretted not buying a new laptop.
C.
the writer regretted buying a used laptop.
D.
the writer could only afford a used laptop because of being short of money.
【单选题】( )是一个特殊的方法,用于对类的实例变量进行初始化
【多选题】关于双侧壁导坑法开挖方法说法错误的是( )
C.
两侧导坑及中槽部位可同时齐头向前开挖,以保障施工进度。
E.
一般先开挖右侧导坑,再开挖左侧导坑,最后施工中槽部分
【单选题】在锋面天气中,遇到何种锋时,其降水持续时间最长?
【单选题】With agreement was reached I the discussion as neither side would give way to ________. A) mustn ’ t go B) would n’ t go C) oughtn ’ t to go D) shouldn ’ t have gone ( D )
【简答题】Cu、Fe、Al、Ag、Au是生产生活中常用的金属.下面是学习小组关于这几种金属的学习交流.请你参与交流并回答问题: (1)李明同学在对上述金属分类时,他根据金属的某种化学性质相同,将“Au、Cu、X.你认为X是 . (2)请你写出上述一种金属与AgNO 3 溶液反应的化学方程式:__________.
【简答题】是一个特殊的方法,用于对类的实例变量进行初始化
【单选题】Even though I ______ you explanation of the traffic jam, you shouldn ’ t have been out so late.
【简答题】下面是某学习小组对Cu、Fe、Mg、Ag、Al五种金属相关知识的学习与探究.请你参与并回答问题: (1)下列制品中,主要利用金属导电性的是______(填序号,下同). (2)铝的原子结构示意图为 ,该原子在化学反应中易(填“得”或“失”)______电子. (3)铜和稀硫酸不反应,与浓硫酸在一定条件下可以反应,其化学方程式为:Cu+2H 2 SO 4 (浓) △ . CuSO 4 +X↑+2H ...