下载APP
举一反三
【单选题】The electrolyte（电解液）in a lead-acid storage battery consists of distilled water and ______.
A.
hydrogen chloride
B.
calcium chloride
C.
sulfuric acid
D.
muriatic acid
【单选题】Many Americans harbor a grossly distorted and exaggerated view of most of the risks surrounding food．Fergus Clydesdale, head of the department of food science and nutrition at the University of Massac...
A.
They overlook the risks of the food they eat.
B.
They overestimate the hazards of their food.
C.
They are overoptimistic about the safety of their food.
D.
They overstate the government's interference with the food industry.