选出对加横线的词解释错误的项(单选题)
①均之二策,守许以负秦曲(答应)②塞上长城空自许(允许)
③高可二黍许(表示大约的数量) ④不知何许人也(处所)
②
赞许
(2013·德州期末校际联考)________ an hour every day has made a considerable difference to my health.
A.Having walked
B.Walk
C.Walking
D.Walked
OptiX 2500+的EMS1单板,可以映射为VC12颗粒的VC4有()。
A、VC4-1和VC4-5;
B、VC4-2和VC4-6;
C、VC4-3和VC4-7;
D、VC4-4和VC4-8;