【单选题】Which of the following is NOT true?
A.
All of us can lead varied lives through the pages of books.
B.
We can travel by book free of charge to our heart's content.
C.
We should rely on reading to escape from the seemingly dull realities of everyday life.
D.
Valuable experiences can be obtained from reading good books.
【判断题】All factors of production can be varied in quantity in the long run.
【判断题】Pragmatic factors can not influence our selection of sounds, grammatical constructions, and vocabulary from the resources of the language.()
【单选题】The adult mosquito usually lives for about thirty days, although the life span varied widely with temperature, humidity, and other factors of the environment.
【判断题】Varied factors can influence wo rkplace efficiency. These include exterior factors and interior factors .
【单选题】I ______ the book. I may well borrow one from the library.
【单选题】The factors that can intensify the roles of causative factors and promote the occurrence and development are referred as?
A.
risk factor of disease
C.
predisposing factor of disease
D.
precipitating factors of disease
E.
extrinsic factor of disease