消化性溃疡的发病机制中，所谓侵袭因素主要是指（） A.粗糙食物的损害作用 B.胃酸/

请根据所给句子的意思，从下面的方框中选出可以填入句子中的单词，并将其字母标号填在答题卡相应的位置。

A．present    B．tourism    C．lead      D．absent    E．sports    F．industry    G．exercise   H．finally    I．have      J. perfectly

小题1:The city has developed very fast with the help of its_________/___________.
小题2:After ten-month hard work, he finished his project_________/___________.
小题3:Nowadays the people in Xinjiang_________/___________ a happy and hopeful life.
小题4:“Is everyone here today?”our teacher always asks like this when she tries to check which pupils are_________/___________.
小题5:Doing_________/___________ is good for our health.