问题
选择题
若用下图所示的实验装置来制备纯净、干燥的氯气，并试验它与金属的反应，每个虚线框表示一个单元装置，其中错误的是
A．只有①和③处
B．只有②④处
C．只有②③④处
D．全部
答案
答案：D
搜题请搜索小程序“爱下问搜题”
若用下图所示的实验装置来制备纯净、干燥的氯气，并试验它与金属的反应，每个虚线框表示一个单元装置，其中错误的是
A．只有①和③处
B．只有②④处
C．只有②③④处
D．全部
答案：D
| 信息匹配 。 请阅读下列学位申请者的信息，从A、B、C、D、E和F 6个国家中为每位中请者选出最 合适的留学国家，选项中有一项是多余选项 阅读下列应用文及相关信息，并按照要求匹配信息。请在答题卡上将对应题号的相应 选项字母涂黑。首先请阅读下列警方通报查找人员的信息： | ||||||
| ||||||
| 以下是相关事件及人物的描述,请把描述与相关插图及提示性文字匹配起来. 1. A valuable dog was taken while being walked by its owner in City Park yesterday afternoon. Police wish to talk to a man seen nearby at the time, described by witnesses as short and fat with short light hair and clear glasses. 2. Yesterday morning at 9.30a.m. a man armed with a gun entered the National Bank and demanded money from the staff, before fleeing when confronted by bank security staff. Security cameras show the man as being short and thin with shoulder length blonde hair. 3. A tall, strong built man with blonde hair, a thick black moustache and wearing dark glasses knocked a woman to the ground and stole her purse on Main Street last Saturday afternoon. If you see this man, do not approach as he is considered extremely dangerous. 4. At the football match between Manchester United and Liverpool, several people had their wallets stolen while waiting in line to buy food. The victims did not see or notice the thief but bystanders describe him as very tall and thin, clean shaven with short light hair. 5. A car was stolen from the supermarket car park on Friday, June 23 this year by a man described as very young, 1.7 meters tall with thin dark hair and carrying a blue backpack. A reward of $500 is offered for the car's recovery. |
