GB/T1603-2001《农药乳液稳定性测定方法》测定过程是什么？

节肢动物的主要特征是：体有表______，身体和附肢都______．常见的节肢动物有______、______、______、蜘蛛和______等．

下列能促进纤维阴燃的物质是().

(A)FeCL2 

(B)ALCL3•6H2O 

(C)FeCL2•6H2O 

(D)S

浅Ⅱ度创面包括以下哪几项

A．去除水疱后基底较苍白，有淡红色小点

B．去除水疱后基底淡红色，上有均匀鲜红斑点

C．表皮和真皮深层损伤

D．创面疼痛明显

E．表皮和真皮 * * 层损伤

An economist concluded that Kregg Company deliberately discriminated against people with a history of union affiliation in hiring workers for its new plant. The economist’s evidence is that, of the 1,500 people hired to work at the new plant, only 100 had ever belonged to a labor union, whereas in Kregg Company’s older plants, a much higher proportion of workers have a history of union affiliation.
Which of the following is an assumption on which the economist’s argument depends

A．None of the people with a history of union affiliation who were hired to work at the new plant were union organizers.

B．Applicants for jobs at the new plant were not asked by Kregg’s recruiters whether they had every belonged to a labor union.

C．In the plants of some of Kregg’s competitors, the workforce consists predominantly of union members.

D．The company believes that the cost of running the new plant will be lower if labor unions are not represented in the workforce.

E．(E) The pool of potential candidates for jobs at the new plant included some people, in addition to those Kregg hired, with a history of union affiliation.

孕妇服用氮芥类药物可致胎儿( )。

A．海豹畸胎

B．泌尿生殖系统异常

C．视神经损害

D．视网膜病变

E．死胎、胎儿电解质紊乱