We should leam( ) Lei Feng
人气:107 ℃ 时间:2020-06-17 14:01:44
解答
from
推荐
猜你喜欢
- 求新世纪大学英语综合教程1 practice test unit
- 已知两个非零向量a和b满足a+b=(2,-8),a-b=(-6,-4),求a与b的夹角的余弦值
- 《假如生活欺骗了你》选自谁?作者谁?哪国诗?人被称为“ ”
- I have to keep the windows _____(open).It is too cold.
- They pass the coin from one to ------ a.another b.other c.others.d.the other.
- Most of us in China have three m____ a day.谁若知道就告诉我
- 说出一句格言
- 现有A,B两份混合气体,A是烯烃R与足量O2的混合气体,B是烯烃R,炔烃Q与足量O2的混合气体,在100℃,1.01*10 ^5PA下取A,B各2.24L分别引燃,A充分燃烧后体积任为2.24L,B引燃后气体总质量为2.34L【燃烧后的产物