In present-day Mandarin, jiǔ most commonly refers to（）
A. beer
B. wine
C. liquor and spirits
D. alcohol
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What does the word“charity”mean（）
A. Providing help or relief to the poor and needy
Benevolence or generosity toward others and toward humanity
C. An organization that facilitates charity benefiting people in need
D. The act of giving our money, time or resources to others without expecting a reciprocation or a direct return
____ would have people believe that their lives are regulated by the movements of the stars, planets, sun, and moon（）
A dwarf
B. A coach
C. An acrobat
D. An astrologer
New York is considered as a____ in the business（）
A. cosmopolis
B. capital
C. well-known place
D. tourist attraction
光纤经过提纯后可用于长距离传输是谁提出来的（）
A. 高琨
B. 厉鼎毅
C. 屠呦呦
D. Charles Hard Townes
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