题目

D        Lex Kim English School Information Session Description        Lex Kim English School offers language improvement courses in reading, writing, grammar, and speech to students from Grades 3 to 11. All classes are conducted in English and class sizes are no larger than 10 students.        We are looking for full-time teachers and assistant teachers who’re interested in very organized self-starters. Our application process includes a phone interview, an in-person interview, and a sample teaching period. Additionally, all applicants must standards for the available posi化学实验操作直接影响实验结果和人身安全。下列关于实验操作的说法正确的是A.用10mL量筒量取8.55mL水B.称量固体药品时，左盘放砝码，右盘放物体C.稀释浓硫酸时，将水沿烧杯内壁注入盛有浓硫酸的烧杯中，并用玻璃棒不断搅拌D.点燃可燃性气体前必须检验纯度