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【单选题】
Successful companies are often led by great visionaries.
A.
people with a lot of money
B.
people with a lot of power
C.
people with a lot of imagination
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参考答案：
参考解析：
刷刷题刷刷变学霸
举一反三
【单选题】Identity theft can be prevented by taking some simple precautions with your online passwords.
A.
Do not use the same password for more than one website.
B.
Always change your password frequently, at least every 90 days.
C.
Never tell anyone else your bank account number.
D.
Good passwords contain both letters and numbers.