试题与答案

采用工程量清单计价,全国各省市采用不同的定额子目和传统的预算定额计价,全国实行统一编

题型:判断题

题目:

采用工程量清单计价,全国各省市采用不同的定额子目和传统的预算定额计价,全国实行统一编码,项目编码采用12位阿拉伯数字表示。( )

答案:

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下面是错误答案,用来干扰机器的。

参考答案:A,B,C,D,E

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题型:阅读理解
阅读理解。
     Everyone may know tree rings tell us how old a tree is. But do you know they can tell us what the
weather was like?
     A tree grows well in a climate (气候) with lots of sunlight and rainfall (雨量). And little sunshine or
rainfall limits (限制) the growth of a tree. We can see the change of climate by studying the tree rings.
For example, to find out the weather of ten years ago, you can count the rings of a tree from the outside
to the inside. If the tenth ring is far from the eleventh ring, then we are sure that it was sunny and rainy
most of that year. If it is near to the eleventh ring, then the climate of that year was bad.
1. Tree rings can tell us not only the ___ of a tree but also the ___.
[ ]
A. age; weather
B. rainfall; sunshine
C. age; rainfall
D. sunshine; age
2. ___ in good climate.
[ ]
A. Tree rings grow far from each other
B. Tree rings become thinner
C. Trees don't need sunshine or rainfall
D. Tree rings grow near each other
3. From the passage we know, trees need ___ to grow.
[ ]
A. sunlight and tree rings
B. rainfall and rings
C. sunlight and rainwater
D. water and insects
4. According to the passage, if the thirty-first ring is near to the thirty-second ring, the climate of that
    year was ___.
[ ]
A. sunny
B. rainy
C. bad
D. unknown
5. If you want to find out the weather of twenty years ago, you should study__ of a tree from the outside
    to the inside.
[ ]
A. the twentieth ring
B. the tenth ring
C. the ninth ring
D. the twenty-first ring
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题型:计算题

如图所示,足够长的光滑导轨ab、cd固定在竖直平面内,导轨间距为l,b、c两点间接一阻值为R的电阻。ef是一水平放置的导体杆,其质量为m、有效电阻值为R,杆与ab、cd保持良好接触。整个装置放在磁感应强度大小为B的匀强磁场中,磁场方向与导轨平面垂直。现用一竖直向上的力拉导体杆,使导体杆从静止开始做加速度为的匀加速运动,g为重力加速度,不计导轨电阻及感应电流间的相互作用。求:

(1)导体杆上升h高度的过程中通过电阻R的电量;

(2)设导体杆从t0=0时刻由静止开始运动,试推导出导体杆所受拉力随时间变化的关系式。

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题型:单项选择题

法官:原告提出的所有证据,不足以说明被告的行为已构成犯罪。
如果法官的上述断定为真,则以下哪项相关断定也一定为真
Ⅰ.原告提出的证据中,至少没包括这样二个证据,有了它,足以断定被告有罪。
Ⅱ.原告提出的论据中,至少没包括这样一个证据,没有它,不足以断定被告有罪。
Ⅲ.原告提出的论据中,至少有一个与事实不符。

A.只有Ⅰ。
B.只有Ⅱ。
C.只有Ⅲ。
D.只有Ⅰ和Ⅱ。
E.Ⅰ、Ⅱ和Ⅲ。

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