题型:判断题 Moyan is the first Chinese person ________ the Nobel Prize in Literature. It’s the first time the Chinese people _________ such great achievements in this field.A.to win; have achievedB.to win; to achieveC.has won; have achievedD.has won; to achieve 查看答案
题型:判断题 如图表示“唾液消化作用的实验”过程,请根据题意回答问题.(1)图①表示配制淀粉糊.(2)图②,取两支试管,分别编号为A和B,各注入2ml______.(3)图③,向A试管中加入2ml______,向B试管中加入2ml______.(4)图④,将两支试管充分振荡后放入37℃水中恒温保存约10min后同时取出两支试管,冷却.(5)图⑤,向两支试管各滴加2滴碘酒.(6)此实验证明了______. 查看答案