茶树新梢停止生长后形成驻芽，其下的第二至三片叶节间极短，形似为对生，且叶形小、叶质硬

阅读短文，回答问题。

     Mr Zhang is a PE teacher at a Primary School. His class is very interesting. His students like him

very much. There are twenty boys and  twenty girls in his class.

     There is a PE lesson on Tuesday afternoon. Look! The children are now in the playground. The

boys are playing football. Mr Zhang is helping them. What are the girls doing? Some are playing games.

Some are playing basketball.

1. What's Mr Zhang?

________________________________________________

2. Are there fifty students in the class?

________________________________________________

3. What day is it today?

________________________________________________

3. What are the students doing?

________________________________________________

3. Are all the girls playing basketball?

________________________________________________

血管内皮细胞通过下列哪些发挥抗血栓作用（）

A.产生PGI2

B.合成血栓调节蛋白

C.合成肝素样物质

D.释放组织型纤溶酶原激活物

E.释放组织因子

综合检验前阶段及各工序的施工质量，针对存在的问题进行最后的修理和调整，使设备的运行特性能够达到设计指标的要求，即满足生产的需要的工作是（）。

A.设备的安装

B.设备的检验

C.设备的调整

D.设备的试运转

永续盘点法操作规程（）

A.按入库先后，每天盘点一定数量的存货

B.入库时随之盘点，及时与保管卡记录核对