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【单选题】
测定高速公路沥青混凝土面层抗滑摩擦系数,应优先采用( ) 。 A.摆式仪法 B.制动距离法 C. 摩擦系数测试车法 D.铺砂法
A.
摆式仪法
B.
制动距离法
C.
摩擦系数测试车法
D.
铺砂法
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举一反三
【单选题】下列化合物中不能使Br 2 /CCl 4 褪色的是
A.
乙烯
B.
乙炔
C.
苯酚
D.
甲烷
【单选题】下列化合物中能使Br 2 /CCl 4 褪色的是
A.
乙烯
B.
乙醛
C.
丙酮
D.
乙烷
【单选题】Originally introduced by Netscape Communications,(21)are a general mechanism which HTTP Server side applications, such as CGI(22), can use to both store and retrieve information on the HTTP(23)side of...
A.
Browsers
B.
Cookies
C.
Connections
D.
Scripts
【单选题】The terra cotta warriors are originally colored. In the following , which is the most important factor that keeps the color alive for about 2000 years?
A.
Humidity
B.
Dryness
C.
Shellac
D.
Air
【单选题】下列化合物中不能使Br 2 /CCl 4 褪色的是
A.
乙烯
B.
乙炔
C.
苯酚
D.
乙烷
【单选题】以下全部属于系统软件的有_____。 1操作系统 2编译程序 3编辑程序4BASIC源程序 5汇编程序6监控、诊断程 序7FoxBASE库文件8数据库管理系统
A.
①②③④⑤
B.
①②④⑦⑧
C.
①②⑤⑥⑧
D.
①②③⑦⑧
【单选题】下列化合物中能使Br 2 /CCl 4 褪色的是
A.
丙烯
B.
乙醛
C.
丙酮
D.
乙烷
【多选题】3dmax中有多种坐标系统,以下属于软件自带的是()
A.
View
B.
World
C.
Screen
D.
V3d
【单选题】Originally-introduced by Netscape Communications,(31)are a general mechanism which HTTP Server side applications, such as CGI(32), can use to both store and retrieve information on the HTTP(33)side of...
A.
Browsers
B.
Cookies
C.
Connections
D.
Scripts
【单选题】Originally introduced by Netscape Communications,(1)are a general mechanism which HTFP Server side applications, such as CGI(2), can use to both store and retrieve information on the HTTP(3)side of th...
A.
Browsers
B.
Cookies
C.
Connections
D.
Scripts
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