A:but his works are not widely read
B:his works are not widely read
C:however, his works are not widely read
D:while his works are not widely read
“共产党员应该在群众最困难的时候,出现在群众面前,在群众最需要帮助的时候,去关心群众,帮助群众。”说这句话的人是____。
化学与我们的生产生活息息相关,请从铜、硝酸钾、氯化钠、熟石灰、金刚石中选择适当物质,并用相应的化学式填空.(1)用于切割玻璃的是____;(2)用于制导线的是____;(3)用于改良酸性土壤的是____;(4)用于配制生理盐水的是____;(5)用作复合肥料的是____.