有四包真空小包装火腿，每包以标准克数（450克）为基准，超过的克数记作正数，不足的克数记作负数，以下数据是记录结果，其中表示实际克数最接近标准克数的是（　　）

阅读下面短文，从A、B、C、D四个选项中选出最佳选项。

Where does the wind come from? What makes the wind move(移动) all the time? Scientists tell us that it is the sun. That makes air move, and makes it blow(吹). When the sun shines on the earth, it makes the earth hot. Then the earth makes the air hot. When the air becomes hotter, it also becomes lighter(更轻). The light air goes up. Cool air comes into take the place of（代替） the hot air. The hot light air goes up higher and higher until it becomes cool. Then it comes down again, and then the earth makes it hot again, and it has to go up. When the air move, it has wind.

关于方程88(x－2)²＝95的两根，下列判断正确的是(      )