we can learn ----- sports on tv
1年前2个回答
你能帮帮他们吗
精彩回答
You are the best. Believe in ________ and try your best to do it.
1年前
在5NH4NO3═2HNO3+4N2↑+9H2O反应中,化合价升高的氮元素的原子与化合价降低的氮元素的原子的个数比为( )
1年前
When I was young, I was always frustrated ( 挫败的 ), and almost everything ended in failure.
1年前
Keeping better eating habits can help you reduce (减少) disease.
1年前
1年前