买家购买产品时地址有错误，货代表示不能发货，该怎么办？

根据文意及首字母提示完成短文。

     Jack is a schoolboy. He c__1__ from England. This year, he is thirteen years old. He l__2__ in a

small town near London. He lives with his grandmother (奶奶). His parents w__3__ in London. They

come back home to visit Jack at w__4__. Jack goes to school by b__5__ every day. At school, he likes

studying all the l__6__. He is good at English. He l__7__ to the teachers carefully (认真) in class. He

works very h__8__ at his lessons. After school, he does his h__9__. He w__10__ TV only on Sunday

evening. Jack is a good boy and his parents like him.

历史记录片《河姆渡原始居民》，介绍了河姆渡人生活的历史信息，其中介绍正确的是：

A．是我国境内已知的最早的人类

B．过着群居生活，住着半地穴式房屋

C．种植粮食作物水稻

D．种植粮食作物粟

平面直角坐标系中，O为坐标原点，M是直线l：x=3上的动点，过点F（1，0）作OM的垂线与以OM为直径的圆交于点P（m，n）．则m，n满足的关系式为______．

在微型计算机中，通常用主频来描述CPU的（）；对计算机磁盘工作影响最小的因素是（）。

在微型计算机中，通常用主频来描述CPU的（）

A．运算速度

B．可靠性

C．可维护性

D．可扩充性

"太阳病发汗，汗出不解，其人仍发热，心下悸，头眩，身动，振振欲擗地者"主之以（）

A.桂枝去桂加茯苓白术汤

B.苓桂术甘汤

C.附子汤

D.茯苓甘草汤

E.真武汤