能形成赤潮的原生动物是（）A、草履虫 B、绿眼虫 C、痢疾内变形虫 D、腰鞭毛虫

洗涤去污作用与表面活性剂哪些性质相关？（）

A.润湿

B.渗透

C.乳化

D.分散

E.增溶

F.杀菌

自营业务资金的出入必须以公司名义进行，禁止以个人名义从自营账户中调入调出资金，禁止从自营账户中提取现金。 ( )

A pregnant client with premature rupture of the membranes has had contractions every 10 minutes. After 48 hours, the contractions stop and the client is to be discharged with home monitoring. The nurse discusses with the client about preterm labor symptoms. Which of the following statements made by the client indicates that she needs further instruction()

A. "I should report contractions that occur every 10 minutes in 1 hour. "

B. "I should lie in bed on my left side if contractions begin. "

C. "I should call the doctor if my contractions occur every hour for 6 hours. "

D. "If I start having contractions, I should empty my bladder. \

如果开挖地层自稳定性较好，采用（）掘进，则不用调正压力，以较大开挖速度为原则。

快硬高强铝酸盐水泥，特别适用于有快硬高强要求的、处于硫酸盐侵蚀环境中的混凝土或耐火混凝土。