TheeffectofDarwinistideaof“survivalofthefittest”wasshatteringin()’sfictionalworldofjungle,where“killortobekilled”wasthelaw.
TheToriesweretheforerunnersof________,whichstillbearsthisnicknametoday
英语翻译：御花园
Theprofessorworkedfor7hoursata________.
Anxietycan________withchildren’sperformanceatschool.
