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【单选题】
下列混合溶液中,缓冲能力最强的是()A.
0.5mol·L-1HAc-0.5mol·L-1Nac的溶液
B.
2.0mol·L-1HAc-0.1mol·L-1NaAc
C.
1.0mol·L-1HCl-0.1mol·L-1NaAc的溶液
D.
0.5mol·L-1NH4Cl-0.5mol·L-1HCI溶液
E.
0.5mol·L-1NH3·H2O-0.5mol·L-1NaOH溶液
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举一反三
【单选题】39 The last paragraph suggests that future robots will
A.
surpass human beings in intelligence.
B.
be more humanlike in behavior. and action.
C.
use a laser to transmit information.
D.
will perform. very complicated household jobs.
【单选题】Which of the following statements is true according to the passage?
A.
Qigong can cure some diseases．
B.
Qigong can not cure any disease．
C.
Qigong can cure all kinds of incurable diseases．
D.
Qigong can cure some patients from danger．
【判断题】Qigong uses movements and postures and can create many physical healing benefits, so it is physical exercise.
A.
正确
B.
错误
【判断题】Qigong uses movements and postures and can create many physical healing benefits, so it is physical exercise.
A.
正确
B.
错误
【单选题】孙武认为，用间方法论总的原则是（ ）。
A.
“内间”为主，“五间俱起”
B.
“因间”为主，“五间俱起”
C.
“反间”为主，“五间俱起”
D.
“死间”为主，“五间俱起”
【简答题】孙武认为，用间方法论总的原则是（ ）
【简答题】完形填空 Some personal characteristics play an important role in the development of one's intelce. But people fail to realize the importance of training these factors in young people. The socalled no...
【简答题】A．Its new uses. B．Its splendid color. C．Its fashionable style. D．Its mechanical movement.
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