【单选题】According to the article, ______ people are more welcome in society.
【判断题】超视距雷达是应用了短波波段电磁波不能穿透电离层而反射回地面产生跳跃传播特点,不受地球曲率限制、探测不能直视目标的雷达。( )
【单选题】1944 年 7 月 7 日,为了卢沟桥事变七周年纪念日,在成都东门城门树立了一座雕像,称之为( )。
【单选题】According to the passage, a teenager looks at happiness mainly in terms of ______.
C.
spiritual satisfaction
【单选题】The significance of the DNA fingerprinting is that ______.
A.
the patterns of genetic material are unique in everybody
B.
it can be used to identify criminals by testing their DNAs
C.
DNA testing can tell the wanted information of some people
D.
DNA testing can help those who are wrongly accused
【简答题】党政机关公文是党政机关公文实施领导、履行职能、处理公务的具有( )和( )的文书,是传达贯彻党和国家方针政策,公布法规和规章,指导、布置和商洽工作,请示和答复问题,报告、通报和交流情况等的重要工具。
【简答题】Retroflective material
【简答题】basic material needed to manufacture something r_____ materi_____
【单选题】Which buoy will NOT display white retroflective material?
C.
Preferred channel mark.
D.
Daymark of no lateral significance.