磁通量可以形象地理解为“穿过磁场中某一面积的磁感线条数”。在如图所示磁场中，s1

According to the text, some health care experts believed that ______.

A．the new law had a 10-year budget of about $400 billion but little was expected for the prescription-drug coverage

B．the new law will have to wait another 10 years and cost about $400 billion before it is able to take effect

C．the framework of the new legislation would be fit for a project that was to cost $400 billion over the next 10 years

D．the projected $400-billion-over-10-years cost framework was planned to be the budget for the current Iraq war

车辆的仪表分为指示类和告警类。

骨转移性肿瘤的主要临床症状是（）

A.疼痛

B.肿胀

C.瘀斑

D.畸形

E.异常活动

属于未来存储管理发展方向的有（）。

A.数据管理

B.信息管理

C.存储资源管理

D.存储设备管理

E．存储架构管理

已有的大部分研究认为，组织承诺是在（）原则的基础上形成的。

A.社会交往

B.公平

C.社会交换

D.等价