A:运动越快的汽车越不容易停下来,是因为汽车运动得越快,惯性越大
B:小球由于重力的作用而自由下落时,它的惯性就不存在了
C:一个小球被竖直上抛,当抛出后能继续上升,是因为小球受到了向上的推力
D:物体的惯性是物体保持匀速直线运动状态或静止状态的一种属性,与物体的速度大小无关
金属镍粉在CO气流中轻微加热,生成无色挥发性液体Ni(CO)n,该物质的中心原子价电子数与配体提供电子总数之和为18,则n= ____
A:Welcome to our restaurant.B:Thank you.____A:OK. Here it is.(A few minutes later)____B:I'd like a beef hamburger and salad.A:____B:Fruit salad.And some drinks,please.What drinks do you have?A:We have orange juice,coffee and tea.____A:It is hot milk with sugar and chocolate.It tastes good.B:Well,I’ll have a try.A:OK.Wait a minute,please.(20 minutes later)B:____ A:Let me see.It's 35 yuan.B:All right.Here's the money.
下列不适宜在海南生长的水果是( )