()又称软化剂,用在树脂油料中增加漆膜柔韧性,克服漆膜硬脆易裂的特点。
A.固着剂
B.增塑剂
C.稀释剂
D.催干剂
参考答案:B
肝昏迷病人灌肠或导泻时应禁用()
A.25%硫酸镁
B.生理盐水
C.生理盐水加食醋
D.肥皂水
E.乳果糖加水
Passage Three
Which of the following should not be involved in effective listening
A.Not interrupting others.
B.Enjoy listening to the entire thought of someone.
C.Waiting impatiently for your chance to respond.
D.Slowing down your responses.