【简答题】种子萌发的主要外界条件有哪些() A.充足的水分 B适当的温度 C足够的氧气 D充足的营养物质
【多选题】Malware is ( )
C.
short for malicious software
D.
specifically designed to damage a computer
【单选题】Computer security experts learn about new malware by _____.
A.
reading about them in computer magazines
B.
seeing how malware spreads through their networks
C.
watching unprotected, isolated computers
【单选题】常用以区别五个碳以下的伯、仲、叔醇的试剂为:
【单选题】《山鬼》中“采三秀兮于山间”,“三秀”是指
【单选题】《山鬼》中“采三秀兮于山间”中的三秀是指( )