如图是同种材料的长度相同的零件，若把它接到电路中，则AB 中的电流 BC 中的电流，AB 的电阻 BC 的电阻. ( 选填“>”、“<”或“=”)
= ；<．
A．磁铁内部
B．磁铁周围空间
C．一束电子射线周围的空间
D．静止的带电体周围的空间
I was always told that the three Ps, patience, positive thinking and perseverance（毅力），were a sure path 31 success. But this advice does not always work as planned. My high school maths exam is one example. The exam, 32 was originally to be held in our classroom, 33 (change) to the library at the last minute. This, 34 ，didn’t bother me because maths had always been my strongest subject. I patiently walked to the library, took my seat and did some deep breathing to help relax 35 ．But my mood quickly changed when I saw 36 first question. I had no idea how to do it. I tried to stay positive and persevered 37 I finally found the solution. With the problem 38 (solve), I felt proud of my achievement. 39 (fortunate), I then noticed that I had just 10 minutes left 40 (complete) the rest!
