慢性肾炎（）。 A.小分子蛋白尿 B.选择性蛋白尿 C.非选择性蛋白尿 D.溢出性蛋

Fred Funk, CFA, agreed in writing with his former employer not to solicit former clients for a period of one year after his termination. After he left his former employer, he consulted with a lawyer about whether the agreement was legally enforceable. The lawyer advised Fred that it was doubtful that the agreement could be enforced, so Fred sent a marketing brochure about his new firm to his former clients. According to the Standards of Practice Handbook, which of the following Statements is most accurate with respect to Fred’s conduct（）

A. The standards do not apply to Fred’s conduct.

B. The Standards requires Fred to comply with the agreement with his former employer.

C. Because Fred relied upon the opinion of legal counsel, he did not violate the Standards.

在经济衰退和经济结构调整过程中，老王所在的企业转产，老王被迫下岗待业。为了解决全家的生活收入来源，支付小孩上学费用等问题，老王与妻子商定，原来在家操持家务的妻子到一家家政服务公司上班，以获得的收入补贴家用；而老王在未找到工作之前暂时在家操持家务。

由于老王的下岗，导致其妻子临时就业的这种效应称为（）。

A.灰心丧气的劳动者效应

B.附加的劳动者效应

C.收入替代效应

D.劳动力市场效应

电缆隧道、偏僻山区和夜间巡线应有两人进行。汛期、暑天、雪天等恶劣天气，也必须两人进行。

为了帮助滑雪者登上长200m、高40m的山坡，滑雪场沿山坡铺设了一条直雪道．把一位重600N的滑雪者沿此雪道由坡底匀速拉至坡顶需用拉力150N．求：

（1）拉力对滑雪者做的功；

（2）雪道斜面的机械效率．

尼龙毛柱分离法是利用了哪种细胞具有易黏附于尼龙纤维表面的特性（）

A.B细胞

B.单核细胞

C.T细胞

D.NK细胞

E.B细胞和单核细胞