1970年美国()公司在其PDPII/20小型计算机上率先采用了UNIBUS总线
A.DEC
B.IBM
C.Intel
D.Sun
参考答案:A
婴儿期预防接种正确的是()。
A.2~3个月接种卡介苗
B.2个月开始口服脊髓灰质炎疫苗
C.4~5个月注射麻疹疫苗
D.6~8个月注射百白破混合疫苗
E.8~10个月注射乙脑疫苗
So much ______ by the poem for the Wenchuan earthquake that he decided to participate in the re-construction of the damaged region.
A.did he move
B.he moved
C.was he moved
D.he was moved