不依赖人类社会,在宇宙间、自然界客观存在的信息称为()信息。
A、生物
B、物理
C、自然
D、社会
参考答案:C
________ the explanation of the book, we finally understood the meaning of the passage. [ ]
A. With the help of
B. Under the help of
C. After the help of
D. By the help of
用万用表的电阻档测量2AP9二极管正反向电阻时,应该选择()档。
A.R×1欧姆
B.R×100欧姆
C.R×10K欧姆
D.万用表任意