(8分)（1）（4分）實(shí)驗(yàn)室在臨時(shí)配制一些氯化鐵溶液時(shí)，常將氯化鐵固體先溶于較濃的鹽酸中，然后再用蒸餾水稀釋到所需的濃度，是為了                。氯化鐵水溶液呈     性，原因是（用離子方程式表示）：                       。
（2）（2分）物質(zhì)的量濃度均為0.1 mol/L的下列溶液pH 由大到小的順序            
          （用序號(hào)表示）
①CH3COOH  ②NH4Cl       ③NaHCO3    ④Ba(OH)2      ⑤NaOH    ⑥N a2CO3
(3)（2分）物質(zhì)的量濃度相同的下列溶液按c(CO32－)由大到小的順序是____________
①Na2CO3    ②NaHCO3  ③H2CO3   ④ (NH4)2CO3 ⑤NH4HCO3
(8分)（1）抑（防）止Fe2+水解（1分)；
酸性（1分)；   Fe3+ + 3H2O Fe(OH)3 + 3H+（2分，寫“＝”不得分)
（2）④⑤⑥③②①（3)①④②⑤③解析:
略
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科目：初中英語(yǔ) 來(lái)源：101網(wǎng)校同步練習(xí)　初三英語(yǔ)　人教社(新課標(biāo)2002/3年通過(guò)) 人教版 題型：001

聽(tīng)對(duì)話，選擇與對(duì)話內(nèi)容相符的圖片，將代表圖片的字母填在相應(yīng)的序號(hào)后。每段對(duì)話讀兩遍。(共5分，每小題1分)

1．(　　)　2．(　　)　3．(　　)　4．(　　)　5．(　　)

二．聽(tīng)對(duì)話，根據(jù)對(duì)話內(nèi)容，判斷第6－10小題所給句子的正誤。正確的寫T，錯(cuò)誤的寫F。每段對(duì)話讀兩遍。(共5分，每小題1分)

聽(tīng)第一段對(duì)話，判斷第6－7小題。

6．Bob has changed a lot．

7．Now Tina has long hair．

聽(tīng)第二段對(duì)話，判斷第8－10小題。

8．Jim and Alice have to stay at home on school nights．

9．They are allowed to go out on Saturday nights．

10．They are talking outside the classroom at the school．

三．聽(tīng)對(duì)話，根據(jù)對(duì)話內(nèi)容，從下列各題所給的A、B、C三個(gè)選項(xiàng)中，選擇最佳選項(xiàng)。每段對(duì)話讀兩遍。(共5分，每小題1分)

聽(tīng)第一段對(duì)話，回答第11－12小題。

11．What are the two speakers talking about?

A．Joe’s problem．

B．Mr．Andrews’ problem．

C．Mrs．Wilson’s problem．

12．What is the relationship(關(guān)系)between the two speakers?

A．Teacher and student．

B．Mother and son．

C．Parent and teacher．

聽(tīng)第二段對(duì)話，回答第13－15小題。

13．How does Mary feel about her new neighbors?

A．She doesn’t like them．

B．She’s mad about their son．

C．She feels silly to talk with them．

14．Which of the following is Mary most worried about?

A．Her children can not get enough sleep．

B．Her new neighbors’ radio makes great noises．

C．She doesn’t know how to deal with her neighbors’ son．

15．What suggestion does the man make?

A．Mary should call up her neighbors to complain．

B．Mary should talk with her neighbors about the problem．

C．Mary should try her best to get her children to sleep early．

四．聽(tīng)短文，根據(jù)短文內(nèi)容，完成下面的表格。短文讀三遍。(共10分，每小題2分)

注：chemistry化學(xué)；lab實(shí)驗(yàn)室

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