特洛伊木马作为一种特殊的恶意代码,其首要特征是()。
A.传染性
B.破坏性
C.隐蔽性
D.复制性
参考答案:C
根据所给提示完成句中单词。
小题1:--Alice, here are some g for your birthday. --Thank you.
小题2:Jenny wants to get Jay’s a She is his fan.
小题3:Look! It’s going to rain. Take an u , please.
小题4:Last week was very rainy, and r__ fell every day.
小题5:He takes part in a swimming c .
小题6:Every year many .(visit) come to Beijing to see the Great Wall.
小题7:Ann fell off her bike yesterday. (luck), she didn’t hurt herself.
小题8:Jenny wants to be a tennis (play) when she grows up.
小题9:Yesterday I watched a TV play about .(live) underwater.
小题10:We saw some (real) clever animals in the zoo.
诊断慢性胃炎最可靠的依据是()
A.胃脱落细胞检查
B.胃液分析
C.X线胃肠钡餐检查
D.慢性上腹痛在餐后加重
E.以上都不是