下列反应肯定属于吸热反应的是（ ）
A．水分解成氢气和氧气
B．葡萄酿酒
C．二氧化硫催化氧化成三氧化硫
D．稀硝酸和稀氢氧化钠溶液反应
答案：A
She ________by the other children because she was always serious. [ ]
A. laughed at
B. was made fun
C. was laughed
D. was made fun of
在农业生产上对农作物进行合理灌溉的依据有哪些？
