读一读，判断吗正(T)误(F)。

       Hello, I'm Jim. Today is Christmas. I'm very happy. At Christmas, we have a Christmas tree.  It is

very beautiful(漂亮的).  We give presents.  I've got a toy car.  It's red and small.  I like it very much. We

sing songs and eat peanuts and sweets. We say "Happy Christmas!"

( ) 1. Today is Christmas.

( ) 2. At Christmas, we don't have a Christmas tree.

( ) 3. We give presents at Christmas.

( ) 4. The toy car is green and small.

( ) 5. We eat pears and meat.

自然界中只有______种电荷，其相互作用为：______，______．