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【单选题】
政府绩效管理的原则不包括()。
A.
外部评价原则
B.
结果导向原则
C.
产出导向原则
D.
效能原则
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【单选题】__________ sleep every night is important for agers. _________, loss of sleep can make you feel tired, and even cause you to put on weight.
A.
A good amount of; As a matter of fact
B.
A good number of; In truth
C.
A large amount of; As matter of fact
D.
Plenty of; In a fact
【简答题】A.It helps improve the physical health. B.It is good for a sound sleep. C.It helps develop mental toughness. D.It helps lose weight.
【多选题】在MySQL存储过程中参数分为三类,分别是( )
A.
in
B.
out
C.
both
D.
inout
【单选题】Sleep helps your body to relax to such an extent ______.
A.
that any rest can reach
B.
that no rest can have the same effect
C.
that you will never need any rest
D.
that you will need the most quiet rest
【单选题】Sleep ,as we know, is important to us because it helps restore tired organs and tissues in our body. But how much sleep do we actually need? For most of us, eight hours seems to be about the right amo...
A.
Yet
B.
Hence
C.
Anyway
D.
Besides
【简答题】在一固定容积为2 L的密闭容器中加入2 molA和3 molB,保持温度为30℃,在 催化剂存在的条件下进行下列反应:2A(g)+3B(g) 3C(g),2分钟达到平衡,生成1.5 mol C,此时,平衡混合气中C的体积分数为ω 1 ;若将温度升高到70℃后,其他条件均不变,当 反应重新达到平衡时,C的物质的量为2.1 mol,体积分数为ω 2 ,请回答下列问题, (1)该反应在30℃时平衡常数K...
【单选题】在一密闭容器中,进行下列反应,保持温度不变,分别以反应物化学计量数比投料,开始时总压为100kPa,其中达到平衡时总压仍为100kPa的反应是( )。
A.
X(g)+2Y(g) Z(g)
B.
X(g) Y(g)+Z(g)
C.
X(g)+Y(g) 2Z(g)
D.
X(g)+2Y(g) 2Z(g)
【单选题】在一密闭容器中,进行下列反应。保持温度不变,分别以反应物化学计量数比投料,开始时总压为 100kPa ,其中达到平衡时总压超过 100kPa 的反应是
A.
X(g)+2Y(g) = Z(g)
B.
X(g)+Y(g) = 3Z(g)
C.
X(g)+Y(g) = 2Z(g)
D.
X(g)+Y(g) = Z(g)+W(s)
【简答题】Sleep helps brain to______.
【简答题】Sleep is like food for the brain. Enough sleep helps the body and brain grow and develop. However, many Chinese do not sleep well, and many do not pay enough attention to sleep. The Chinese Medical Do...
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