【单选题】当采用氯胺消毒时,氯和氨的投加比例应通过( )确定,一般可采用重量比为3:1~6:1。
【判断题】碳酸饮料配制饮品时,一般在各种原料成分中所占比重较大,酒品的颜色都较浅或味道淡。
【判断题】我国城乡居民基本养老保险制度规定,居民领取基本养老保险金的年龄随岗位不同而有所差异。
【单选题】Where are Melissa and Henry from?
A.
Melissa are from the United States and Henry are from Korea.
B.
Melissa is from the United States and Henry is from Korea.
C.
Melissa are from the United States and Henry is from Korea.
【简答题】Melissa roped one intruder with a ______ and pinned him to the ground.
【单选题】Melissa and Craig are siblings _______ play basketball.
【简答题】The two men who Melissa caught were found guilty of ______.
【单选题】Where are Melissa and Henry from?
A.
Melissa are from the United States and Henry are from Korea.
B.
Melissa are from the United States and Henry is from Korea.
C.
Melisa is from the United States and Henry is from Korea.