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【单选题】
下列关于平行板电容器的电容量，哪个描述是错误的（）.A.
减小极板间距离，电容器的容量将增大
B.
极板间加入一个硬币，电容器的容量将增大
C.
增大极板间的距离，电容器的容量将加大
D.
把两个平行板中的一个裁掉一半，电容的容量减小
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举一反三
【多选题】In the drama in Public Speaking, we can find the speaker Russ is______________ . He was animated, and, of course, keen to expand his business.
A.
enthusiastic
B.
with strong very positive body language and gestures
C.
keen to involve his audience
D.
satisfied with the intepreter's work
【简答题】【 2019· 江苏卷, D 】 The 65-year-old Steve Goodwin was found suffering from early Alzheimer’s( 阿尔楚海默症 ). He was losing his memory. A software engineer by profession, Steve was a keen lover of the piano, a...
【简答题】标准是指“为了在一定的范围内获得最佳秩序，经协商一致制定并由公认机构批准，共同使用和重复使用的一种（）”。
【简答题】He was keen to work abroad, so he (辞职) from his company.
【简答题】A. Travel on his own B. Travel with his friends C. work full time at a restaurant D. Do a part-time job at a restaurant 2. A. 90 cents B. 1.50 dollars C. 50 cents D. 1.15 dollars. 3. A...
【单选题】在下列各种情况中，属于自身调节的是
A.
血糖水平维持相对恒定
B.
血液PH值维持相对恒定
C.
体温维持相对恒定
D.
全身血压维持相对恒定
E.
当动脉血压在一定范围内变化时，肾血流维持相对恒定
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