在人身意外伤害保险中,保险人给付保险金的条件是被保险人必须因遭受客观事故而导致某种后果,如______
A.死亡或疾病B.疾病或失业C.退休或残疾D.残废或死亡
参考答案:D
根据句意完成句子。
1. —_____ is the hat?
—It's on the bed.
2. —Where _____ his keys?
—They're on the dresser.
3. —Where are the books?
—I don't _____.
4. Please _____ (带给) some things to me.
5. — _____ you take the book to my sister?
—Yes, I can.
一块体积为10cm3的冰熔化成水,质量是多少?体积是多少?(冰的密度ρ冰=0.9×103kg/m3)