男，45岁，近10天出现食欲不振、恶心、呕吐，伴乏力，尿黄来医院就诊。检查：巩膜黄染

动作经济原理可以分为（）

A.工作地布置和工作条件的改善

B.工具设备设计

C.人体利用

D.细分一系列动素

阅读理解，判断正"T"误"F"。

    Here's a message from Mary. She went to hospital yesterday. She had a cold. But she is better now.

This morning she went to Lucy's office. She met Lucy and Tom there. She is very busy now. She will be

back at seven o'clock. She will have dinner with us. I will make Chinese food for her. She likes Chinese

food very much.

( ) 1. Mary went to school yesterday.

( ) 2. Mary had a cold.

( ) 3. Mary went to Tom's office.

( ) 4. Mary likes English food very much.

在下图所示食物网的生态系统中，能正确描述各种成分和彼此间关系的是

A．因为老鼠是蚂蚁的天敌，所以老鹰也是蚂蚁的天敌

B．蚱蜢的数量显著减少时，蜥蜴种群较老鼠种群所受的影响大

C．老鹰可以吃蛇，但是蛇无法吃老鹰，因此蛇与鹰是共生关系

D．仙人掌是生产者，老鹰是消费者，蚂蚁是分解者

I’m sorry I didn’t phone you, but I’ve been very busy_____ the past couple of weeks.

A．beyond

B．with

C．among

D．over

下列出血性疾病中，属于凝血功能异常的是

A．过敏性紫癜
B．维生素C缺乏症
C．血小板减少性紫癜
D．新生儿出血症
E．遗传性毛细血管扩张症