下列选项中,符合与他人谈话时的礼仪要求的是( )
A:状态低迷、无精打采
B:盛气凌人、趾高气扬
C:心不在焉、左顾右盼
D:态度谦和、举止端庄
多吉家养了山羊、绵羊和牦牛三种家畜,山羊和绵羊的数量占家畜总数的 89 ,绵羊和牦牛的数量占家畜总数的 1118 ,绵羊有90只,多吉家共有家畜多少只?
Good morning!I'm Cindy.This is a1.It's my cup.2color is it?3 yellow and white.And what's this in English?It's4.It's an orange jacket.That's a pen.The pen is5.It's my purple pen.
一只10Ω的电阻与一只0.1Ω的电阻并联,并联后的总电阻( )