【多选题】信息安全就是要防止非法攻击和病毒的传播,保障电子信息的有效性,从具体的意义上来理解,需要保证哪几个方面的内容?( )
【单选题】Which of the following statements is NOT tree of 'free flight'?
A.
Commercial aircraft is guided by GPS.
B.
Civilian aircraft are free to move over all territories.
C.
Cargo carriers no longer collide with one another.
D.
Passenger flights are safe to fly with military aircrafts.
【简答题】根据汉语意思完成句子。 1. Gu Changwei is one of the top_________(摄影师)in China. 2. In your spare time, what do you like for__________(娱乐)besides watching TV? 3. Look at these________(照片)!I took them in Paris. 4. ...
【判断题】人物画《步辇图》是唐朝画家顾恺之的名作之一。 The figure painting 《步辇图》is one of the masterpieces of the Tang Dynasty painter Gu Kaizhi.
【简答题】传统的饮食器具以__________________为主。
【单选题】Which of the following statements is NOT true of 'free flight'?
A.
Commercial aircraft is guided by GPS.
B.
Civilian aircraft are free to move over all territories.
C.
Cargo carders no longer collide with one another.
D.
Passenger flights are safe to fly with military aircrafts.
【单选题】According to the methods we learned in Week 6, which one of the following is a phrase?
B.
Jiǔguǐ ‘an alcoholic’.
D.
Jǔshǒu ‘raises to hand’.
【判断题】细菌芽孢的生成是细菌休眠的表现。 ( )