Originally introduced by Netscape Communic

过期妊娠患者的羊水描述正确的是：

A．过期妊娠患者平均羊水量多于正常足月患者

B．过期妊娠患者平均羊水量少于正常足月患者，但差别不明显

C．过期妊娠患者平均羊水量明显少于正常足月患者

D．过期妊娠患者平均羊水量与正常足月患者相当

E．以上都不是

电压互感器在运行中二次侧为什么不许短路？

Colleges in the US have added a new subject, “great chemistry”, to their curriculum today. “Green chemistry (53) how we can develop products that won’t (54) the environment,” explains Paul Anastas, director of Yale University’s Center for Green Chemistry and Green Engineering, opened at the beginning of this year. The American Chemical Society, (55) approves more than 600 college chemistry programs, only lists about a dozen that teach green chemistry. But that (56) is growing.
Cambridge College in Massachusetts is offering “ an introduction to green chemistry” course this gall and is offering the nation’s first bachelor’s and master’s (57) in green chemistry. The program will have classes in environmental science and even environmental (58) and policy. These subjects are not (59) taught to chemistry major.
Employers (60) the introduction of green chemistry. Businesses are increasing seeking graduates (61) backgrounds in the subject because it can help them make or save money in he development and manufacturing of products. “We need people who can not only understand their place (62) , but also understand the worldwide perspective,” said Adam Peterson, a chemical division manager at Dow Corning Corp.

A．law
B．act
C．bill
D．treaty

影响学校德育实效的因素是多方面的。

表证多见的脉象是

A．浮脉
B．沉脉
C．数脉
D．迟脉
E．涩脉