【单选题】小麦种子的营养物质主要贮藏在下列哪种结构中( )
【判断题】6-12 岁的小学生生长发育很快,要保证充足的睡眠时间,一般为8-9小时。 ()
【单选题】In view of all sorts of rumors and guesses, experts carried out some careful and scientific research and the possibility of a second earthquake in this area.
【单选题】The research carried out in eight countries______.
A.
reveals the relationship between sleep problems and age
B.
provides evidence that lack of sleep affects people's health
C.
puts forward the theory that sleep problems are a kind of disease
D.
proves that sleep problems will lead to smoking and poor diet
【简答题】Before Lyubomirsky carried out her own research, scientists investigated happiness mainly through ______.
【简答题】《中华人民共和国环境影响评价法》所指的环境影响评价文件是对( ) 的统称。
【单选题】患者男,26岁。因结核性脑膜炎需肌内注射链霉素。患者取侧卧位时,正确的体位是