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【简答题】
按光纤在传感器的作用,光纤传感器可分为 和 两大类。
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举一反三
【单选题】朱传一提出的以人为中心的筹款的原则有几个?()
A.
B.
C.
D.
【单选题】Pupils often want to sit next to their particular friend and many classroom activities involve moving about, but even relatively snail alterations can make ______ to the visual comfort of pupils with ...
A.
a difference
B.
an interference
C.
a modification
D.
an impact
【单选题】They want to sit near the back where the couches are. (改为否定句)
A.
They don't want to sit near the back where the couches are.
B.
They not want to sit near the back where the couches are.
C.
They does not want to sit near the back where the couches are.
【简答题】根据材料,回答下列问题:(14分) 材料一 亚洲某农作物分布图 材料二 美国部分农业地带分布图 材料三 人口变化折线图 (1)甲图中影响①地区农业地域类型发展的主要社会经济条件是________________。(1分) (2)乙图②地区的农业地域类型是________________,而该国五大湖沿岸发展的农业地域类型是_______________,影响该种农业地域类型发展的区位条件是____...
【单选题】直接测量量的B类不确定度分量Δ B 通常用( )。
A.
仪器的示值误差限表示,即Δ B =Δ INS ;
B.
Δ B =2Δ INS ;
C.
Δ B =3Δ INS 。
【单选题】Pupils often want to sit next to their particular friend and many classroom activities involve moving about, but even relatively small alterations can make ______ to the visual comfort of pupils with ...
A.
a difference
B.
an interference
C.
a modification
D.
an impact
【判断题】路由器进行数据包转发时需要修改数据包中的目的IP地址。A. 对 B. 错
A.
正确
B.
错误
【单选题】各种材料中不同类型的缺陷要求有不同的渗透时间,一般说来,细的、紧密的裂缝要求
A.
比大而浅的缺陷所需的渗透时间要短;
B.
比大而浅的缺陷所需的渗透时间要长;
C.
与大而浅的缺陷所需的渗透时间相同;
D.
工件被检测前作高度酸侵,可以不论渗透时间的长或短;
【判断题】路由器进行数据包转发时需要修改数据包中的目的IP地址。
A.
正确
B.
错误
【单选题】听力原文:Do you want to sit on the first floor or the second floor? (A) I have extra brochures you can have. (B) I prefer to sit near the stage. (C) I live on the second floor. (28)
A.
B.
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