When people are physically _________ a drug, they suffer ill physical effects if they stop taking the drug.
A. absorbed in
B. accepted by
C. addicted to
D. attracted to
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Within three months after birth, babies begin to show a preference for complex and ________ stimuli as opposed to simple and familiar stimuli.
A. common
B. normal
C. strange
D. novel
The oldest known systems of education in history had two characteristics in common; they taught religion, and they ________ the traditions of the people.
A. developed
B. encouraged
C. forwarded
D. promoted
Though nsuccessful, steam-powered models of airplanes made by the English inventor Henson in 1847 were ________, as many later models generally followed his designs.
A. encouraging
B. instructive
C. promising
D. victorious
With the increasing consciousness of self health care, millions of Chinese people ________ in a variety of daily physical exercises, ranging from traditional shadow boxing to modern aerobics.
A. compete
B. participate
C. play
D. share