【生词汇总】murder n. 谋杀

instruct v. 命令，指示

acquire v. 取得，获得

confidence n. 信心

examiner n. 主考人

suppose v. 假设

tap v. 轻敲

react v. 反应

brake n. 刹车

pedal n. 踏板

mournful adj. 悲哀的【短语汇总】

be tested for因……而测试，测试(，某个项目)

be pleased with对……满意

as soon as一……就