Xiao Ming took his cellphone to school
(1) (2018·全国Ⅰ)The review says it is more effective at lengthening life
(2)(2016·全国Ⅲ)Over time,
(3)(2018·全国Ⅱ)Corn uses less water
(4)(2016·四川)It was time for her to have a new baby,
Xiao Ming took his cellphone to school