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【判断题】
(判断题] 非对立因素互相联系的统一, 形成比较显著的变化,叫作调和。()A.
正确
B.
错误
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反馈参考答案：
举一反三
【单选题】This temperature is an indication of the amount of fuel burnt in the cylinder concerned and , in general , temperature of all the cylinders should be---- with each other
A.
in different
B.
the same
C.
in close agreement
D.
in different agreement
【简答题】The ice melted ____ at this temperature. A) very fastly B) most fastly C) fastly D) fast
【单选题】The graph shows how the activity of an enzyme varies with temperature. What is the best or optimum temperature for this enzyme and at what temperature is the enzyme not working?
A.
best:30 ° C ;not work:0 ° C
B.
best:30 ° C ;not work:60 ° C
C.
best:50 ° C ;not work:0 ° C
D.
best:50 ° C ;not work:60 ° C
【单选题】During a heating process, the temperature of an object rises by 20 °C . This temperature rise is equivalent to a temperature rise of
A.
36 R
B.
36 K
C.
52 o F
D.
293 K
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