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【简答题】
用离心泵将一个低位敞口水池中的水送至敞口高位水槽中,如果改为输送密度 1100 kg/m 3 ,但其它物性与水相同的溶液,则流量 _______ ,扬程 _______ ,轴功率 _______ 。(填写变化趋势“增大,减小,不变”)
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举一反三
【单选题】A vegetarian could die from insufficient protein ingestion if he or she ______.
A.
did not follow a varied and properly protein-complemented diet.
B.
ate too many animal proteins, and could not digest them properly.
C.
did not follow a diet in which nonessential proteins were ingested.
D.
ate too many low-quality proteins.
【简答题】征地案例比较测算法
【多选题】征地案例比较测算法中,下列说法正确的有()。
A.
需要选择两个以上有代表性的征地案例
B.
案例应是近两年之内发生的,并发生在本区片或其他可比区片的项目
C.
在使用案例前,要对案例的合理性进行判断
D.
征地案例的可比内涵要与征地区片价的设定内涵一致
E.
在对案例进行整理时,不需要将青苗补偿费附着作物补偿费和其他额外损失的补偿费用等剔除出去
【判断题】四分音符的休止符表示停顿一拍。()
A.
正确
B.
错误
【多选题】征地案例比较测算法的测算步骤有()。
A.
选择征地案例
B.
统一可比内涵
C.
比较征地案例
D.
确定区片土地年产值
E.
计算征地区片价
【简答题】Roommate conflicts are part of manu people's college experiences and can be ________. (stress) 用所给词的适当形式填空
【判断题】As people's income rise, they are more likely to prefer additional experiences over additional possessions.
A.
正确
B.
错误
【判断题】people's experiences in their previous relationships can damage their current relationships.
A.
正确
B.
错误
【简答题】Read about three people's experiences of bad jobs. Then look at the statements 1-4 about the three jobs. Which job does each statement refer to (A, B or C)?
【简答题】联氨(N 2 H 4 )及其衍生物是一类重要的火箭燃料.N 2 H 4 与N 2 O 4 反应能放出大量的热. (1)已知:2NO 2 (g)?N 2 O 4 (g)△H=-57.20kJ?mol -1 .一定温度下,在密闭容器中反应2NO 2 (g)?N 2 O 4 (g)达到平衡.其他条件不变时,下列措施能提高NO 2 转化率的是______(填字母编号) A.减小NO 2 的浓度B.降低温度...
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