营业税是各国普遍开征的一种税。我国营业税的课税对象是( )。A．营业单位 B．营业

If you want to visit an island , you shoulD.       .

A.take a bus    B.take a boat    C.by boat   D.by plan

（）是用于连接牵引变电所和接触网的导线。

A.接地线

B.馈电线

C.火线

D.钢轨

Aaron LeMieux loves to hike and often listens to the radio at the same time. While on a 1,500-mile hike 小题1: _______ the Appalachian Trail, Aaron started thinking about energy. Could the energy his body was creating be used to charge an electronic device? In 2006 Aaron quit his job 小题2: ________ turned the basement of his home into a laboratory. He then put all his time 小题3:________ developing the nPower PEG.

PEG means personal energy generator(发电机). 小题4:________ uses the energy you create while moving to charge a hand-held device. Just put your nPower PEG in your bag, 小题5:________ fasten it to your leg or bicycle. Then plug your MP3 player, cell phone or digital camera into your nPower PEG’s USA port. LeMieux’s company, Tremont Electric, claims 小题6: ________ nPower PEG can charge most hand-held electronic devices to 80 percent in one hour.

Since it costs US$149, the nPower PEG won’t appeal to everyone with its price so 小题7: ________. But for those 小题8:________ spend a lot of time with electronic devices powered by batteries, it might come in handy.

There are five different Disneyland _____ around the world. And the one in Hong Kong is the latest.   [ ]

A. amusement park

B. amusement parks

C. amusements park

D. amusements parks

关于隔室模型的表述正确的是（）

A、隔室模型理论是把药物的体内转运看成是药物在若干个单元（隔室）之间的转运过程

B、隔室模型是最常用的药物动力学模型

C、可用AIC最小法和拟合度法判别隔室模型

D、单室模型中药物在各个脏器和组织中的浓度相等

E、隔室的概念比较抽象，无生理学和解剖学的意义