题目

    Do you know of anyone who uses the truth to deceive (欺骗)? When someone tells you something that is true, but leaves out important information that should be included, he can give you a false picture.     For example, some might say, “I just won a hundred dollars on the lottery (彩票). It was great. I took that dollar ticket back to the store and turned it in for one hundred dollars!”     This guy’s a winner, right? Maybe, maybe not. We then discover that he bought $200 worth of tickets, and only one was a winner. He’s really a big loser!     He didn’t下图中，能说明电动机工作原理的是（ ）A. B. C. D.