题目内容
（请给出正确答案）
A.F1= Ø
B.F2={B→CD, BC→D}
C.F3={C→E, C→F}
D.选项B和C都对
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B、O2O模式允许消费者线下付款
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| PNA是一种具有良好的热稳定性、耐腐蚀性和抗水性的高分子化合物，常用作增塑剂，其合成路线如图所示：
已知：①R1CH=CHR2 ②
（R1、R2、R3代表烃基或氢原子） 请回答： （1）A分子中只有一个氯原子，A→B的化学方程式是______． （2）C含有的官能团名称是______． （3）D能发生银镜反应，且分子中有支链，D的结构简式是______． （4）E→F的反应类型是______． （5）E的结构简式是______． （6）C与F在一定条件下生成增塑剂PNA的反应的化学方程式是：______． （7）香豆素是一种重要的香料，与C具有相同的相对分子质量；14.6g香豆素完全燃烧生成39.6g CO2和5.4g H2O． ①香豆素的分子式是______． ②写出所有符合下列条件的香豆素的同分异构体的结构简式______． a．分子中含有
基团 b．分子中除一个苯环外，无其他环状结构 c．苯环上的氢原子被氯原子取代，得到两种一氯代物． |
Directions： Fill in the blanks in the following passage by selecting suitable words from the word bank. Each word can be used only once. （答案请填写完整单词） A) effect B) affect C) commit D) decrease E) decline F) influence G) compromise H) concede I) available J) applicable K) reluctant L) furthermore M) necessity N) authority O) potential A variety of conditions can affect the success or failure of negotiations (谈判). The following conditions make success in negotiations more likely. First, both parties must be willing to participate. If one party is unwilling for the negotiation, the 1) ______ for reaching any agreement will certainly 2) ________. Second, people must get ready to discuss. When there is not enough information 3) _________, or a negotiation strategy unprepared, people may be 4) _________ to begin the discussion. Third, both parties must have enough interests in common to 5) _________ themselves to a shared decision-making discussion. For people to settle disagreement, they must have some means to 6) _______ the attitudes and behavior from the other party. To 7) __________ a change, they may provide needed information and seek the advice of experts for help. Finally, participants must have the 8) ________ to make a decision. If not, negotiations will be limited to an information exchange between the parties. 9) ___________, both parties must have a willingness to 10) __________. In other words, sometimes, to reach a satisfactory conclusion, it is necessary for the parties prepared to have less than 100 percent of needs or interests satisfied.
B．语法错
C．1
D．“假”
E．7
F．6 G． 5 H． 4 I． 因输出格式不合法，输出错误信息 J． 65,66 K． A,a L． A,A M． if S． x%2!=1 T． x%2!=0
E．bG #D:b
E．bF xF:G、bA bbC:b
B．#A
B．#F:x
E．bG #D:b
E．F xF:G、bA bbC:
B．#A
C．#F:x
E．bG #D:b
E．bbF xF:G、bbA bbC:b
B．#A
D．#F:x
E．bbG #D:bb
E．bbF xF:G、A bbC:
B．#A
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