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【单选题】
在一定温度下对于苯甲酸水溶液而言，下列哪种说法是正确的A.
加水会增大苯甲酸的电离度
B.
C.
加入苯甲酸钠会降低溶液的电离平衡常数
D.
加入苯甲酸钠会增大苯甲酸的电离度
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【单选题】Which of theunderline expressions isthe hedging of the following sentences.For example, it may be necessary for the spider to leave the branch on which it is standing, climb up the stem, and walk out ...
A.
For example, it may be necessary for the spider to leave the branch on which it is standing, climb up the stem, and walk out along another branch.
B.
For example , it may be necessary for the spider to leave the branch on which it is standing, climb up the stem, and walk out along another branch.
C.
For example, it may be necessary for the spider to leave the branch on which it is standing , climb up the stem, and walk out along another branch.
D.
For example, it may be necessary for the spider to leave the branch on which it is standing, climb up the stem, and walk out along another branch.
【简答题】设a、b、c、d为，且a 7 =b 6 ，c 3 =d 2 ，c-a=17，则d-b等于 ______．
【简答题】Don’t let your fear go viral Fear and misinformation are proving to be as contagious as the novel coronavirus. China is the country of origin for the novel coronavirus, and its people have experienced...
【单选题】Which of the following is NOT a branch of Macrolinguistics?
A.
Sociolinguistics
B.
Psycholinguistics
C.
Historical Linguistics
D.
Computational Linguistics
【简答题】设a、b、c为整数，且a=2、b=3、c=4，则执行完以下语句后，a的值是【 】。 a*=18+(b++)-(++c)；
【简答题】在RGB彩色空间的原点上,三个基色均没有(),即原点为()色,三基色都达到最高亮度则表现为()色。
【简答题】设a，b，c为整型数，且a=2，b=3，c=4，则执行完以下语句后，a的值是【 】。 a*=16+(b++)-(++c);
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