【单选题】自招标文件或者资格预审文件出售之日起至停止出售之日止,最短不得少于( )个工作日。
【判断题】亲核试剂是一类电荷丰富的负离子或有未共用电子对的中性分子。
【判断题】白血病化疗期间应注意多饮水并注意酸化尿液。()
【单选题】What is the function of genetic testing according to this passage?
A.
It helps people know what health problems their parents ever experienced.
B.
It enables people to change those dangerous genes to better ones.
C.
It reveals possible genetic diseases people may have.
D.
It calls on the public to help people who have bad genes.
【单选题】Identity is determined by genetic () (what is inherited from parents), shaped by environment, and influenced by chance events.