#1 Biggish City

#2 Types of Market

#3 Silent Meetings

#4 Apology Question

#5 Art and Artist

#6 Children's Online Safety

#7 Nutritional Guidelines

#8 Community Service

#9 Frogs

#10 Desert Ants

#11 Ice Core (B)

#12 Canada

#13 Seafloor

#14 Ant Homing

#15 Lawyers

#16 Autocracy

#17 Tissue Engineering

#18 Gas Giants' Formation

#19 Fossil Records

#20 Species Adaptation

#21 Academic Writing

#22 Labor- and Capital- Intensive

#23 Aristotle

#24 Dark Skin

#25 Ugly Building (B)

#26 Machiavelli

#27 Churchill

#28 Pattern Books

#29 Socialism

#30 Loggerhead Turtle

#31 Artificial Intelligence (B)

#32 Theater Study

#33 Underestimated Women

#34 Glass Ceiling

#35 Parenting

#36 Complex Problems

#37 Los Angeles

#38 Trust Levels

#39 Human Behaviors

#40 Travels of Mandeville

#41 Drilling Rigs

#42 Childhood Death

#43 Most Respected Companies

#44 Drug Safety

#45 Australian Culture

#46 Importance of Tea

#47 Andrew Carnegie

#48 Absolutism

#49 Climate Prediction

#50 Hook Sentence

#51 Approach and Avoidance

#52 Boys and Girls

#53 DNA Pieces

#54 Sugar (B)

#55 Climate Change Experiment

#56 Chimpanzees

#57 Stress

#58 Newspaper Industry

#59 Sugar

#60 Stone Balls

#61 Sleep

#62 Memory (C)

#63 Memory (B)

#64 Dancing Bees

#65 Children Directors

#66 Literature in Poem

#67 Food Waste

#68 Leadership

#69 Engineer and Engineering

#70 Stock Market and Business

#71 Luxury Brand

#72 Paper Rejection

#73 Family Types

#74 Artificial Intelligence

#75 Global Economy

#76 Inhabitants in Australia

#77 Food Label

#78 Mars

#79 Survey on Happiness

#80 Left and Right

#81 Human Freedom

#82 History of English

#83 Genetic Impact

#84 Sign Language

#85 HTML

#86 Housing Price in Australia

#87 Misuse of Drugs

#88 Decline of Bees

#89 Change of Body Fat

#90 Einstein

#91 Stanford Management

#92 Studying Law

#93 Brand Image

#94 G7

#95 Agriculture and Urbanization

#96 Facial Recognition

#97 How to Spend Life

#98 Globalization and IT

#99 Shakespeare's Poem

#100 Curator

#101 Bilingualism

#102 Lawyer

#103 New Zealand

#104 Laundry History

#105 Music and Brain

#106 Radio Burst

#107 Instinct

#108 Description

#109 Wildlife as Food

#110 Ugly Building

#111 Industrial Revolution (B)

#112 Internet

#113 Architecture Design

#114 IT Development

#115 Industrial Revolution

#116 The Republic

#117 Language Acquisition

#118 Definition of Risk

#119 The Travels of Sir John Mandeville

#120 Population Change

#121 Telescope

#122 Human Minds

#123 Traveling & Transport in Paris

#124 Government Tricks

#125 Human Migration

#126 Youth Communities

#127 National Oceanography Center

#128 Human Rights

#129 Pandemic

#130 Welsh

#131 Educational Purpose

#132 Australian Transportation

#133 Vitamin D

#134 Good Ideas

#135 Power Devolution

#136 Big Bang

#137 Recycling Water

#138 Dropping from School

#139 Language Levels

#140 Mars and The Earth

#141 Food Production

#142 Physics Development

#143 Semantic Noise

#144 Identity Theory

#145 Roman Building

#146 Climate and Crops

#147 Globalization and Detraditionalization

#148 Earthquake and Fault

#149 Disciplines of Politics

#150 Marry Mallon （B）

#151 Talent War（B）

#152 Canned Food

#153 Fight or Flight

#154 Wilson

#155 Indian Peasant Debt（2）

#156 Vitamin D (B)

#157 NGO

#158 Bomb Calorimeter

#159 University Competition

#160 Marshmallow Test

#161 Fossil Fuel

#162 Black Hole

#163 Krebs

#164 Children Depression

#165 Flower Colour

#166 Smile of Mother

#167 Voynich Manuscript

#168 Translator and Interpreter

#169 Civil Society Organization

#170 Narrative

#171 Opening Borders

#172 Children Literature

#173 Global Warming

#174 UK ATM

#175 Dog Growl

#176 Spectacles

#177 Environment and Creature

#178 Monster

#179 VR

#180 Language Death

#181 Citizenship Education

#182 Market Economy

#183 Globalization

#184 Citizenship Development

#185 Environmental Law

#186 Economic Globalization

#187 Mr. Green

#188 Peasant Debt

#189 Talent War（C）

#190 DNA&RNA

#191 Laughter

#192 Talent War

#193 Recognize Faces

#194 Language and Music

#195 SST

#196 Developmental Psychology.

#197 Goose Migration

#198 Leonardo da Vinci

#199 Glaciers

#200 Animal Friendship

#201 Opera

#202 Fiction and Nonfiction

#203 Alaska

#204 The Civil War

#205 Piano Piece

#206 Cave Paintings

#207 Poisonous Frogs

#208 Trees

#209 Elevation of Mt. Everest

#210 Voice

#211 Human Language

#212 Cocoa

#213 Student Loan

#214 Sea Creature

#215 Sound Receptor

#216 Vitamin D and Health

#217 Mary Mallon

#218 A Novelist

#219 Safe Drinking Water

#220 Energy Consumption

#221 Drug Advertisement

#222 Are We Animals

#223 Modern Art

#224 Small Business Management

#225 Hypersomnia

#226 Watch and Clock

#227 Sociologist

#228 Fish Environment

#229 Prehistoric People

#230 Astronomer

#231 Balloon Enthusiasts

#232 John Milton

#233 Psychology of Crowd

#234 English Subject

#235 Philosopher

#236 Novel History

#237 Psycho-geography

#238 Fashion and Taste

#239 Newspaper

#240 Falling Standards

#241 Financial Aid

#242 Latin Writers

#243 Successful Company

#244 Reading Habbit

#245 Allergy

#246 Climate Change

#247 Government Functioning

#248 Autumn Term

#249 Criminal Trials

#250 Technological Nature