下列各组数中，是方程4x+y=10的解的有（   ）

（1） $\{\begin{array}{c}x=2\\ y=2\end{array}$ ；（2） $\{\begin{array}{c}x=3\\ y=1\end{array}$ ；（3） $\{\begin{array}{c}x=2\\ y=-2\end{array}$ ；（4） $\{\begin{array}{c}x=1\\ y=6\end{array}$ ．

短文改错

    One day, little Tony went to a shopping center with his parent. It was very crowded. Tony saw a toy on a shop window. He liked it so very much that he quickly walked into the shop. After looks at the toy for some time, he turned around and found where his parents were missing. Tony was scared and begun to cry. A woman saw him crying and telling him to wait outside a shop. Five minutes later, Tony saw parents. Mom said, “How nice to see you again! Dad and I were terrible worried.” Tony promised her that this would never happen again.

肯定含有Y染色体的细胞是

确定图中路灯灯泡的位置，并画出小赵在灯光下的影子．