【单选题】Large companies promote secretaries more often than small companies do.
【判断题】用太阳能电池作为动力源的汽车不属于电动汽车。( )
【简答题】A new high-performance contact lens under development will not only correct ordinary vision defects ______(而且还可以提高正常的夜间视力) as much as five times.
【简答题】Define “high-contact service.”
【简答题】According to the passage, companies often look for IT managers from ________. (A) non-computer technicians (B) their own professionals (C) other companies (D) another country
【单选题】Large companies promote secretaries more often than small companies do,
【单选题】在一条河流取样垂线上,在水深大于1m时,取样点距水面不应小于(),距河底也不应小于()
【简答题】在一条河流取样垂线上,在水深大于1m时,取样点距水面不应小于(),距河底也不应小于()