He discovered that all animals were made of cells, which contributed to the development of the cell theory（）
A. van Leeuwenhoek
B. Robert Hooke
C. Zacharias Jansse
D. Theodor Schwann
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Which of the four classes of ATP-powered pumps share overall similarity: several subunits, the same general organization, and a similar function in being H+ transporters（）
ABC superfamily and P-class pumps
B. ABC superfamily and P-class pump
C. F-class pumps and P-class pumps
D. F-class pumps and V-class pumps
Western drama originates from_（）
A. war
B. sports
C. religious ceremonial
D. Ancient Greece
George Bernard Shaw is___（）
A. a man against “art for art’s sake”
B. able to use the stage to criticize the evils of capitalism
C. a humorist
D. able to construct the tightest well-made plot
（）What is the target audience
A. Computer users who do not know much about the technical means of cybercrime prevention
B. Software vendors who can help users deal with security and privacy settings
Computer users armed with some technical advice and common sense
D. Online criminals who take advantage of software flaws
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