识图作答．

如图是用以研究生命起源的化学进化过程的一个模拟实验装置，请回答下列问题：

（1）A装置里的气体相当于____ ，与现在大气成分相比，其主要区别是A装置里气体中不含有____ ．正负电极接通进行火花放电是模拟自然界的____ ．

（2）B装置里的液体相当____ ，实验后可检验到其中含有____  等有机小分子物质．

（3）此实验证明：在生命起源的化学进化过程中，从____ 生成有机小分子物质是完全有可能的．

（4）此实验的假设是：____ ．

（5）此实验的结论是：____ ．

    Mr. Black has a big shop in the city center. He tells all his employees (雇员) to be 1 to the buyers and he gets a lot of money.

    One day an old woman went to the shop to buy a silk blouse. When she came 2of the shop with the blouse, she left her wallet in it. A girl3and found there were nearly five hundred dollars in it. She looked around and 4 saw it. She put it into her pocket 5. Soon the old woman came back to look for it, of course she 6 . That evening Mr. Black was told about it. He was very angry and sent the girl away. Then he decided to employ7 honest man to take her place. Several young 8 came, but none of them could satisfy him.

    This morning a young man came into9 office. He asked, “Do you smoke, sir?”

    “No, sir,” answered the young man.

    “Do you drink?”

    “No, sir.”

    Mr. Black asked him the other questions, and the young man's answers satisfied him.10 he employed him, he asked him the last question, “You have no shortcoming(缺点), do you?”

    “No, I don't, sir,” said the young man. “I only like telling lies (撒谎)”.

某校从各年级随机抽取50名学生，每人进行10次投篮，投篮进球次数如下表所示：该投篮进球数据的中位数是（　　）

①落后就会挨打

②我国目前的中心工作就是追回国宝

③近代以来，我国的灿烂文化遭到列强的严重破坏

④建设现代化中国，要牢记历史，勿忘国耻