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
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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
Form antonyms of the follwoing words by adding prefixes.
Lanham Trademark Act of 1946 was enacted in part to protect manufacturers from losing business to rival companies that used confusing similar trademarks.
A. 对
B. 错