According to the passage, the number of young cocaine takers in Spain is ______.
A. smaller than that in the UK
B. bigger than that in the UK
C. the same as that in the UK
D. vet to be investigated
We can conclude from the study of the 158 nurses in 2001 that ______.
A. people under stress tend to have a poor memory
B. people who can't get their job done experience more stress
C. doing challenging work may be good for one's health
D. stress will weaken the body's defense against sperms
2岁妇女，经前乳房胀痛及出现肿块，经后自行消退，应首先考虑为
A. 乳腺癌
B. 乳管内乳头状瘤
C. 急性乳房炎形成脓肿
D. 乳腺囊性增生病
E. 乳房纤维腺瘤
高速公路、一级公路石方路基中线偏位检测的规定值是( )。
A. 20mm
B. 50mm
C. 80mm
D. 100mm
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