你能帮帮他们吗
精彩回答
新航路开辟后,欧洲的商路和贸易中心转移到了地中海沿岸,资本主义工商业经济日趋繁荣。×(判断对错)
1年前
判断题(正确的打“√”,错误的打“×”): (1)DNA是主要的遗传物质.______;
1年前
The earthquake hit the city in 1906. It was the biggest in American history. (将句子连接为定语从句)
1年前
________ do you know that? My father told me about that.
1年前
氮气与氧气混合气体的密度时相同条件下氢气密度的15.5倍,则这两种气体的体积比?
1年前