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【简答题】
A～G是初中化学常见物质，它们有如下图所示的相互关系（其中“ ”表示两端的物质能发生化学 反应；“ ”表示物质间存在转化关系；部分反应物或生成物以及反应条件已略去）。 (1)若只有G含一种元素，B中两种元素的质量比为7:3，D、F属于同类物质，则G的化学式为________；E与F的反应属于基本反应类型中的_____________反应。 (2)若G中含有两种元素，且A、B、D、E、G是五种不同类别的物质，则B的化学式为___________；E与G反应的化学方程式为_________________________。 (3)若G中含有三种元素，且A～F中至少有一种为单质，A与F、C 与D反应均有同种气体产生，则该气体的化学式为__________；G→B 反应的化学方程式为______________。
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举一反三
【单选题】By saying 'The headlines havent dented job seekers desire to dissemble' (Para. 2), the author means that _____.
A.
the news hasn't prevented job applicants from being dishonest
B.
the headings have made job seekers more eager to hide their true feelings
C.
the news hasn't any kind of impacts on job applicants at all
D.
the headings have succeeded in persuading job seekers to give up lying
【单选题】如果主机上的默认网关配置不正确,对通信有何影响?
A.
该主机无法在本地网络上通信。
B.
该主机可以与远程网络中的其它主机通信,但不能与本地网络中的主机通信。
C.
该主机可以与本地网络中的其它主机通信,但不能与远程网络上的主机通信。
D.
对通信没有影响。
【简答题】Many job seekers are polite enough to drop their interviewer a note a day or two after they have been interviewed.
【单选题】如果主机上的默认网关配置不正确,对通信有何影响?
A.
该主机无法在本地网络上通信
B.
该主机可以与本地网络中的其它主机通信,但不能与远程网络上的主机通信
C.
对通信没有影响
D.
该主机可以与远程网络中的其它主机通信,但不能与本地网络中的主机通信
【单选题】In order to obtain a job in growing fields, career experts thinks job seekers should ______.
A.
get a secondary degree and combine degrees with skills
B.
weigh the advantages and disadvantages of employment
C.
possess an in-demand degree and professional knowledge
D.
master both web related skills and communication skills
【单选题】如果主机上的默认网关配置不正确,对通信有何影响?
A.
该主机无法在本地网络上通信。
B.
该主机可以与本地网络中的其他主机通信，但不能与远程网络上的主机通信。
C.
该主机可以与远程网络中的其他主机通信，但不能与本地网络中的主机通信。
D.
对通信没有影响。
【单选题】In seeking the most suitable type of job, the author suggests that job seekers should first ______.
A.
consult with a friend who is experienced in this respect
B.
read ad sections of daily newspapers carefully
C.
get in contact with a management group
D.
determine a definite and immediate goal
【单选题】By saying 'The headlines havent dented job seekers desire to dissemble'(Line 1, Paragraph 2), the author means that
A.
the news hasn't prevented job applicants from being dishonest.
B.
the headings have made job seekers more eager to hide their true feelings.
C.
the news hasn't any kind of impacts on job applicants at all.
D.
the headings have succeeded in persuading job seekers to give up lying.
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