如图所示电路，滑动变阻器的滑片位于中点，闭合开关，滑片向左移动时，灯泡的亮度将____ （选填“变亮”、“变暗”或“不变”）．电流表A₁的示数将____ ，电压表示数与电流表A₂示数的比值将____ （以上两空选填“变大”、“变小”或“不变”）．

    Let's talk about Sherlock! You know who I mean, Sherlock Holmes of curse! I have very quickly learnt ____he is not just popular back in the UK, but is huge around the world. In my first lesson I asked the students____ (tell) me what they already knew about the UK.____my surprise, most classes put Sherlock Holmes first. And I even have a student____English name is Sherlock!

    But who is Sherlock Holmes? Sherlock Holmes is a character ____(create) by British doctor and writer Sir Arthur Conan Doyle. He first appeared in print in 1887, and ____(be) a part of popular culture for over a century. He has become ____(know) for his early use of deductive reasoning(演绎推理). In total, Holmes appears in four novels and fifty-six short stories. Most of these ____(write) from the view of his friend Dr. Watson.

    Although at first a character in novels and short stories, Sherlock Holmes has become popular on the big and small screen. In fact, he has the honor of ____(hold) the Guinness World Record for the “Most Portrayed Movie Character”. More than seventy ____(act) have played the role in over two hundred films!