A:控制传染源
B:减少病原体
C:保护易感人群
D:切断传播途径
Juliette's website
Name
1 Girls
Development
At ten, Juliette drew 2 little girls.
She started the website with the help of her 3.
At first, there were only some simple pictures on the website.
Now, it has message boards, chat rooms, 4 , music and more.
Aim(目的)
To help the girls learn more about cultures,5 and become better.
设M是△ABC的边AC的中点,过M作直线交AB于E,过B作直线平行于ME交AC于F.求证:△AEF的面积等于△ABC的面积的一半.
某服装店举办促销活动,促销的方法是将原价x元的衣服以(0.7x﹣10)元出售,则下列说法中,能正确表达该商店促销方法的是( )
“心小了,小事就大了;心大了,大事都小了。大其心,容天下之物。”上述人生格言主要告诉我们,在交往中要学会( )