题目内容
用α粒子轰击铍(
)核,生成物是碳(
)核和另一个粒子,则该粒子是( )
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SQL Error: select id,body,options from ***_enewstiku_ where sourceid='16947' and id < 1424012 and id<>'1424012' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku_ where sourceid='16947' and id > 1424012 and id<>'1424012' order by id asc limit 5