35．With exports _______ an important rol

用葡聚糖凝胶色谱分离下列化合物，最先被洗脱流下来的是（ ）

A．大黄素

B．番泻苷

C．大黄酚

D．紫草素

E．茜草素

有限度的稳定平衡

依照我国《海商法》的规定，下列哪项是正确的？

A．承运人对集装箱装运的货物的责任期间是从货物装上船起至卸下船止

B．上海至广州的货物运输应当适用海商法

C．天津至韩国釜山的货物运输应当适用海商法

D．海商法与民法规定不同时，适用民法的规定

某企业在金融市场上发行债券筹集资金，这种筹资方式属于( )。

A．银行信用

B．消费信用

C．间接信用

D．直接信用

E．商业信用

TCP functions at the Open System Interconnection (OSI) (61) layer, or Layer 4. Its chief responsibility is to ensure (62) end-to-end connectivity. IP, located one layer down, at the OSI network layer, or Layer 3, communicates the addresses of each (63) sender and receiver to the routers along the way. Routers and Layer 3 switches can read IP and other Layer 3 (64) . This information, combined with routing tables and other network intelligence, is all it takes to get (65) the room or around the world via TCP/IP.

（63）是（）

A.packet

B.packets

C.packet’s

D.packets’