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低危献血者指( )。
机器人ZKRT-300按结构分,属于下列哪种类型()。
常用的水消毒方法是氯消毒、紫外线消毒以及臭氧消毒,其中()是目前普遍认为较好的方法。
某动物园里的狗用自己的乳汁喂养虎崽。狗的这种行为() ①是先天性行为 ②是学习行为 ③是由遗传因素决定的 ④是由环境因素决定的
资源税是对在我国境内开采应税矿产品及生产盐的单位和个人,依其应税产品()为计税依据而征收的。
一般来说,在效益流量和成本流量不变的情况下,贴现率越大,NPV也越大。
我国公民享有法律规定的权利,中华人民共和国公民对于任何国家机关和国家工作人员,有提出()的权利。
真正能够诊断帕金森病的指标是()
在西方心理学中,加涅在____一书中先后提出的学习层次和学习结果分类影响较大。
关于琼脂印膜材料,下列说法错误的为()
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They were married for fifteen years but have now ______ up and live apart.
They were married for fifteen years but have now ______ up and live apart.
They were married for fifteen years but have now ______ up and live apart.
John and Mary()for years before they got married.
John and Mary()for years before they got married.
I never realized that someday I would be married to a()
“Nervous in New Jersey” wants to get married.
A fifteen-pound CO2 extinguisher().
The news of their getting married was meant to be a secret, but it ______.
My husband lived at home before we were married, and so()