The previous lecture focused on the reading problems in new words, while this lecture will turn to______in complex sentence structures.

A．that

B．one

C．those

D．ones

______检验是根据被检样本中的产品包含的不合格数，推断整批产品的接收与否。

A．计件抽样

B．计点抽样

C．计数抽样

D．计量抽样