题目

缺词填空 Today I will tell you a story—A l___1__ escape. It is an i_____2___ story and I like it very much. Justin and Paul are twins. One day, their friends Susan called for h__3___. They went to Susan’s building, but three men in police u__4____ pushed them into a van. Paul opened the door with a k____5___. When the van stopped at the t____6__ lights, they r___7_ out of it and took different r____8___ to run away. When they arrived at the police station, they were s___9___ to see the robbers there. The policemen stopped the van because they didn’t lock the back door. The rob 下图为某种维生素C（简写Vc，化学式：C6H8O6）说明书的一部分，请回答： （1）人体缺乏维生素C就会患____________病。 （2）“Vc”中碳、氢、氧元素的质量比是　_________。 （3）176g“Vc”中碳元素的质量是　_________g。 （4）若正常成年人每天最低需要补充“Vc”60mg时， 这些“Vc”完全由图中“维生素C”来补充时，则每次至少服用　_________　片。