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【单选题】
重为G的物块在力P的作用下处于平衡状态，如图所示，已知物块与铅垂面之间的静滑动摩擦系数为发f,经分析可知物体这时所受的滑动摩擦力大小F为( )。Y=0 P=13
A.
F=fp
B.
F=P
C.
F=fG
D.
F=G
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举一反三
【单选题】注水井采油树的（）是测试仪器下井时经常开关的阀门。
A.
测试阀门
B.
生产阀门
C.
总阀门
D.
套管阀门
查看完整题目与答案
【单选题】Faith How many people do you think will show up for dinner? Louis Only two of people we invited can't come, so there should be six people. Faith ______I cleaned out the store when I bought the food fo...
A.
We can make do with paper towels.
B.
These steaks look great but expensive.
C.
I have to stay up late cleaning up.
D.
We' re going to have a lot of extra food.
查看完整题目与答案
【判断题】闭和水准路线高差闭和差的计算公式为。()
A.
正确
B.
错误
查看完整题目与答案
【多选题】按照阀门的驱动力分类,阀门可分为
A.
电动阀门
B.
自动阀门
C.
气动阀门
D.
液动阀门
查看完整题目与答案
【单选题】下列选项中，说法不正确的是( )。
A.
在Internet中，路由器采用表驱动的路由选择算法
B.
静态路由选择算法也叫自适应路由选择算法
C.
路由表中存储了可能的目的地址与如何到达目的地址的信息
D.
路由选择算法可分为两种：静态路由选择算法和动态路由选择算法
查看完整题目与答案
【单选题】Which of the following is the most coherent sentence ?
A.
A man is judged not only by what he says, but also by his deeds.
B.
We thought she was charming, intelligent and a very capable young woman.
C.
We have great faith and high hopes for her.
D.
We thought she was charming, intelligent and very capable.
查看完整题目与答案
【单选题】操作阀门时应()。
A.
正对阀杆
B.
在阀门侧面
C.
在阀门上方
D.
在阀门下方
查看完整题目与答案
【单选题】当血钾逐步升高时,心肌的兴奋性变化为( )
A.
先降低后升高
B.
逐步降低
C.
逐步升高
D.
先升高后降低
E.
基本不变
查看完整题目与答案
【单选题】选出正确的句子
A.
A man is judged not only by what he does but also by his words.
B.
We have great faith and high hopes for her.
C.
Du Fu was one of the greatest poets of the Tang period.
查看完整题目与答案
【判断题】路由选择协议分为 静态路由和动态路由两种。
A.
正确
B.
错误
查看完整题目与答案
相关题目：
【单选题】注水井采油树的（）是测试仪器下井时经常开关的阀门。
A.
测试阀门
B.
生产阀门
C.
总阀门
D.
套管阀门
查看完整题目与答案
【单选题】Faith How many people do you think will show up for dinner? Louis Only two of people we invited can't come, so there should be six people. Faith ______I cleaned out the store when I bought the food fo...
A.
We can make do with paper towels.
B.
These steaks look great but expensive.
C.
I have to stay up late cleaning up.
D.
We' re going to have a lot of extra food.
查看完整题目与答案
【判断题】闭和水准路线高差闭和差的计算公式为。()
A.
正确
B.
错误
查看完整题目与答案
【多选题】按照阀门的驱动力分类,阀门可分为
A.
电动阀门
B.
自动阀门
C.
气动阀门
D.
液动阀门
查看完整题目与答案
【单选题】下列选项中，说法不正确的是( )。
A.
在Internet中，路由器采用表驱动的路由选择算法
B.
静态路由选择算法也叫自适应路由选择算法
C.
路由表中存储了可能的目的地址与如何到达目的地址的信息
D.
路由选择算法可分为两种：静态路由选择算法和动态路由选择算法
查看完整题目与答案
【单选题】Which of the following is the most coherent sentence ?
A.
A man is judged not only by what he says, but also by his deeds.
B.
We thought she was charming, intelligent and a very capable young woman.
C.
We have great faith and high hopes for her.
D.
We thought she was charming, intelligent and very capable.
查看完整题目与答案
【单选题】操作阀门时应()。
A.
正对阀杆
B.
在阀门侧面
C.
在阀门上方
D.
在阀门下方
查看完整题目与答案
【单选题】当血钾逐步升高时,心肌的兴奋性变化为( )
A.
先降低后升高
B.
逐步降低
C.
逐步升高
D.
先升高后降低
E.
基本不变
查看完整题目与答案
【单选题】选出正确的句子
A.
A man is judged not only by what he does but also by his words.
B.
We have great faith and high hopes for her.
C.
Du Fu was one of the greatest poets of the Tang period.
查看完整题目与答案
【判断题】路由选择协议分为 静态路由和动态路由两种。
A.
正确
B.
错误
查看完整题目与答案
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