下列是人体中几种体液的正常pH,酸性最强的是( )
A:胃液(0.8﹣1.5)
B:唾液(6.6﹣7.1)
C:血液(7.35﹣7.45)
D:胆汁(6.8﹣7.4)
下列诗句,描写抗美援朝战争的是( )
What does the man want to buy for his
daughter?
填一填。
①三分像人,____。
②山中无老虎,____。
③静坐常思己过,____。
Tony loves exciting things. He trekked the forests by himself last summer.
填上适当的名称
____×____ =工作总量