蓝＋浅黄，呈现出的颜色是（）。 A.乳黄 B.翠绿色 C.桔红

正常成人（男性）脾脏厚径超声测量标准（）

A.<4cm

B.<5cm

C.<6cm

D.<7cm

E.<8cm

Some people care much about their appearance and always ask if they look fine in ________ they are

wearing.

A．that

B．what

C．how

D．which

以下哪项对诊断急性心衰没有意义

A．咳嗽伴大量粉红色泡沫样痰

B．双肺对称性布满水泡音和哮鸣音

C．有引起急性心力衰竭的心脏病基础

D．突发严重呼吸困难，端坐呼吸

E．性格改变、行为异常

班组安全教育的主要内容有哪些？

According to the passage, how long may Cryptosporidium live in pool water a. Several seconds. b. Several minutes. c. Several hours. d. Several days.