Why didn't people study a foreign language in the past？
A. It was strictly forbidden.
B. It was seen as disloyalty.
C. It was too difficult.
D. It was taught by foreign rulers.
【C1】
A. beyond
B. at
C. of
D. over
According to the passage, what is the relationship between production and resources？
Available resources stimulate production.
B. Resources are totally independent of production.
C. Production increases as resources increase.
D. Production reduces the amount of available resources.
【C10】
A. broadly
B. entirely
C. widely
D. deeply
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