题目内容
Nowadays, technology is increasingly being used to _______ what people are saying and doing (for example, through cellphone tracking and security cameras).
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Biases against women are ________ in many places on the Internet.
You can _________ a trip based on your budget and affordability.
The Red Cross Society of China has collected $2.5 million for the flood relief ________.
The population problem is arousing wide public concern, since it’s known to all that an aging society discourages investment and ________.
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