问题
选择题
如图所示，6个编号分别代表下列物质中的一种物质，凡是直线相连的两种物质均能发生化学反应（已知高温下氨气能还原氧化铁）．图中⑤表示的物质是（ ）
a．Al；b．Fe2O3；c．NaOH溶液；d．氢碘酸溶液；e．NH3；f．Cl2．
A．a或b
B．c
C．d
D．e或f
答案
答案：C
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如图所示，6个编号分别代表下列物质中的一种物质，凡是直线相连的两种物质均能发生化学反应（已知高温下氨气能还原氧化铁）．图中⑤表示的物质是（ ）
a．Al；b．Fe2O3；c．NaOH溶液；d．氢碘酸溶液；e．NH3；f．Cl2．
A．a或b
B．c
C．d
D．e或f
答案：C
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| It’s Saturday. Han Ling has no classes today. She wants to buy a new dress. Her 1 is at work, 2 she is going to the shop with her father. Her father drives her to the shopping mall in his own car. But her father doesn’t like going 3 , so Han Ling does the shopping and her father sits in the 4 and waits for her. There are a lot of people in the shop. It is very crowded (拥挤). Han Ling looks at the clothes and 5 from them. Her father waits and waits. About an hour goes by (流逝). Han Ling doesn’t 6 out. Her father is worried about her. “Why does she stay in the shop for so long?” He comes out of the car. Just then (正在这时), a man comes up to him. “Excuse me. Are you Han Ling’s father?” “Yes.” “Han Ling is waiting for you. She doesn’t have enough 7 .” “Oh, I see.” Then he 8 the man into the shop. Han Ling is very 9 to see her father. She chooses a nice green dress. After her father 10 the money, they go home together. | ||||
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