Festival
When is Tree Planting Day?
March 12th
How many cards are used in Liaoning Mahjong in total？
A. 144
B. 136
C. 134
D. 188
B. 136
What is the nature of a solution with pH=7?
A. Acidic
B. Neutral
C. Alkaline
B. Neutral
Which is the ocean with the largest surface area of the Earth?
A. Atlantic
B. The Indian Ocean
C. Pacific
D. The Arctic Ocean
C. Pacific
When were the World War II?
September 1, 1939
When is Christmas Day?
December 25th
What does "blossoming on the bar" mean in Chinese mahjong？“杠上开花”是什么意思？
The cards drawn after opening the bar will be won directly （开杠后摸的牌直接胡牌）
What is the element with atomic number 1 in the periodic table?
Hydrogen (H)
What is the capital city of Australia?
A. Canberra
B. Sydney
C. New South Wales
D. Melbourne
A. Canberra
In which country did the First Industrial Revolution begin?
Britain
What is the 15th day of the 8th lunar month?
The Chinese Mid-Autumn Festival
What are the full English names of J, Q and K in playing cards？
Jack、Queen、King
What is the chemical symbol for gold?
Au
Which is the longest river in the world?
A. Yangtze River
B. Niger river
C. The Danube
D. The Nile River
E. The Amazon
The Nile River
Who was the only female emperor in Chinese history?
Empress Wu Zetian
Please arrange the following festivals in chronological order: the Big Snow, snow solar term, the Winter Solstice, and the Beginning of Winter
Beginning of Winter→snow solar term→the Big Snow→the Winter Solstice
立冬→小雪→大雪→冬至
Which country does the name of the game UNO come from？
The name of the game UNO is derived from the meaning of "1" in Spanish and Italian.
What happens to iron when it rusts?
When iron rusts, it reacts with oxygen and water to form iron oxide (rust).
What is the highest mountain in the world
A. The alps
B. Mount Everest
C. Andes Mountains
D. Kunlun Mountains
Mount Everest
What year was the return of Hong Kong to China?
1997
The festival with the longest day and shortest night of the year is
A. Summer solstice
B. Frost's Descent
C. White Dew
D. the Spring Equinox
E. autumnal equinox
A. Summer solstice
How many intersection points are there on the chessboard of Chinese chess?
A. 80
B. 90
C. 100
D. 95
B. 90
There are 9 horizontal lines and 10 vertical lines, with a total of 90 intersection points
Please recite the first 21 elements of the periodic table
Hydrogen (H) - 氢 (qīng)
Helium (He) - 氦 (hài)
Lithium (Li) - 锂 (lǐ)
Beryllium (Be) - 铍 (pí)
Boron (B) - 硼 (péng)
Carbon (C) - 碳 (tàn)
Nitrogen (N) - 氮 (dàn)
Oxygen (O) - 氧 (yǎng)
Fluorine (F) - 氟 (fú)
Neon (Ne) - 氖 (nǎi)
Sodium (Na) - 钠 (nà)
Magnesium (Mg) - 镁 (měi)
Aluminum (Al) - 铝 (lǚ)
Silicon (Si) - 硅 (guī)
Phosphorus (P) - 磷 (lín)
Sulfur (S) - 硫 (liú)
Chlorine (Cl) - 氯 (lǜ)
Argon (Ar) - 氩 (yà)
Potassium (K) - 钾 (jiǎ)
Calcium (Ca) - 钙 (gài)
Scandium (Sc) - 钪 (kàng)
What is the only country that is completely free of mosquitoes?
Iceland
What was the first unequal treaty signed in modern China?
A. Treaty of Nanjing
B. The Treaty of Humen
C. Treaty of Tientsin、
D. Convention of Peking
A. Treaty of Nanjing