确定传染病的隔离期是根据()
A.皮疹完全消退
B.症状完全消失
C.自发病起2周
D.病原体检查阴性
E.以上都不是
参考答案:E
对李冰在岷江中游修筑都江堰的作用,评价最恰当的是 [ ]
A.防洪工程
B.灌溉工程
C.防洪灌溉工程
D.水路航运工程
— _____ Rose ____ Jack watched Prince William's wedding on TV yesterday.
— What a pity! They misses the exciting moment.
A.Both, and
B.Not only; but also
C.Either; or
D.Neither, nor