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【判断题】
正弦电流通过电感或电容元件时,若电流为零则电压绝对值最大,若电流最大则电压为零。( )A.
正确
B.
错误
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举一反三
【单选题】What result has the first research found?
A.
The roots of trees can save nutrients in the soil.
B.
The trees can steady the flow of the rivers.
C.
In the next 30 years, the water demand will add by around 50%.
D.
Trees trap much less water than they consume in arid areas.
【简答题】简述数据压缩的可行性
【单选题】"Students should be allowed to look at their textbooks during exams, because surgeons have X-rays to guide them during surgery." 这一句子反映了逻辑学中哪种谬误?
A.
Dicto Simpliciter （绝对判断）
B.
Hasty Generalization （草率结论）
C.
False Analogy （错误类比）
D.
Ad Misericordiam （文不对题）
【单选题】听力原文： Around the year 1000 A. D. , some people from northwest India began to travel westwards. No- body knows why. After leaving their homes, they did not settle down again but spent their lives movin...
A.
They liked traveling.
B.
The reasons are unknown.
C.
They were driven out of their homes.
D.
They wanted to find a better place to live in
【单选题】New research has found that animals have memories, too — , they might be much cleverer than we thought.
A.
in other words
B.
above all
C.
in many ways
D.
all in all
【单选题】听力原文：M: Why are you in a hurry? W: We're preparing to go for a picnic tomorrow. I want to buy something in the supermarket. M: So George has returned from Europe? W: Yes, hut he was only here for thre...
A.
Here.
B.
In Europe.
C.
In Canada.
D.
In California.
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