读一读，判断，正确的画(√)，错误的画(×)。

( ) 1. In China, we speak Chinese.

( ) 2. Beijing is the capital city of China.

( ) 3. The Palace Museum is in China.

( ) 4. China's flag has fifty yellow stars.

( ) 5. People speak English and Chinese in Hong Kong.

产品数量很多，在机床或设备上只是经常重复加工某一种工件，这种生产称为（）生产。

A、单件

B、小批

C、大量

D、成批