【单选题】下列溶液中除存在水分子外,还存在其它分子的是( )
【单选题】After the robbery, the shop installed a sophisticated alarm system as an insurance ______ further losses.
【单选题】对中药资源的有限性和可解体性,下列描述不正确的是
A.
中药资源的有限性即是稀缺性,它是指自然界的中药资源蕴藏量是有限的
B.
在物种的自然演化过程中,每种生物都具有适应某些生存环境的能力
C.
自然种群减少到一定数量时,会导致某些中药资源种质的消失,进而会导致某些物种灭绝,这就是中药资源的解体性
D.
种类的灭绝即是种类的解体,种类灭绝后可以通过现代生物技术使资源再生
【单选题】信息资源具有非消耗性,信息资源一旦产生,不仅可以满足同时期人类的需要,还可以通过信息的保存、积累、传递达到时间点上的延续,这是信息的()特性
【单选题】After the robbery, the jewelry shop fixed an alarm system ______ further losses.
【简答题】After the robbery,the police arrived at the scene of the ______ to take the statements from the victim and the witness. 抢劫案发生后,警察赶到现场从受害人和目击者那里取证。
【简答题】After the robbery, the shop installed a sophisticate alarm system as an insurance ________ further losses. A) for B) from C) against D) towards
【单选题】After the robbery, the shop installed a sophisticated alarm system as an insurance______ further losses.
【单选题】After the robbery, the police arrived at ______scene in _____ flash. [ ]