下面划线字的读音全对的一组是( )
A:赍发(jī ) 傩送(nuó) 契诃夫(kē) 莞尔( wǎn)
B:迤逦(yí ) 怔住(zhèng) 搓手(cuō) 浑浑噩噩(hùn)
C:亲眷(qīn ) 憎恶(zèng ) 央浼( měi) 涎皮( xiān)
D:船舷(xián) 玷辱(diàn) 连累( lěi ) 嗤笑(chī )
—Well, he came late again. But that's no ______ to shout at him.
下列为绿色植物叶片的某种生理过程,请据图回答:
They _______ put the plants inside yesterday.
已知|a|=6,|b|=3,a·b =-12,则向量a在向量b方向上的投影是( )