目前中国的人才资源综合实力排名为第8，其中主要是科技效能指数排名较为靠后。()
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隐性流产的诊断中，一般可用于早孕或者胚胎死亡诊断的是()
A. hCG测定
B. 早孕因子EPF的测定
C. FSH
D. LH
E. OT
我国已经实现了从文盲充斥、愚昧落后的人口大国向名副其实的世界人力资源和人才资源大国的跨越式转变。()
Which of the following problems will occur if a disk-type centrifugal lube oil purifier is
A. Contamination of the lube oil by emulsification will result
B. The lube oil will not be subjected to the proper centrifugal force
C. The lube oil will overheat and flash
D. Oil will discharge from the heavy phase discharge port and be wasted
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