沥青混合料残留稳定度指标是指试件浸水7h后的稳定度。( )
参考答案:错
解析: 沥青混合料残留稳定度指标是指试件浸水48h后的稳定度。
(湘郡生试题) I was really surprised to find out that the first public showings of wireless TV transmissions took 41 way back in 1925. It took another three years before there was any regular public broadcasting. 42 , I think people must have found 43 quite a delight when color TV was first broadcast in 1929. 44 , within the next 65 years, people would be able to choose 45 to watch from a 46 of 200 different channels because 47 cable TV. It is reported 48 in 1998, 66 percent of households in the USA had cable TV.
有关颅随动脉瘤的叙述,下述哪项是错误的()
A.动脉瘤破裂常产生蛛网膜下腔出血
B.动脉瘤破裂可产生脑缺血
C.动脉瘤破裂不会引起癫痫
D.巨型动脉瘤易在瘤腔内形成血栓
E.动脉瘤破裂可产生颅内血肿