语文 Chinese Language： “他每天都把‘你好’说成‘你好吗’，听起来像一杯加了两颗糖的咖啡。” 这句话的意思是：
他的中文很甜，让人开心
他讨厌中文
咖啡太甜
他不喜欢糖
数学 Mathematics：If random variable Z ~ N(0,1), what is P(Z ≤ 0)?
0.68
0.5
1
0
英语 English： Question:The author’s primary purpose in this paragraph is to
compare geometric symbols across different countries
illustrate how a circular shape embodies social equality and harmony in Chinese dining culture
argue that round tables are more fashionable than rectangular ones
explain why conversations are easier when no one sits at the head of the table
物理 Physics: A uniform sphere with volume 36π cm³ has what surface area in cm²?
36π
18π
24π
48π
化学 Chemistry: At room temperature, which substance decolorizes bromine water and gives a white precipitate?
Ethanol
Acetic acid
Phenol
Ethene
生物 Biology: Why do C₄ plants not show a large photosynthetic increase when CO₂ concentration is raised under same light, unlike C₃ plants?
Increase respiration
Close their stomata
Already have saturated light reactions
Possess a CO₂-concentrating mechanism