题目内容：
根据下面资料，回答题 Online Dating
Online dating is a dating system which allows people to make contact and communicate witheach other over the Internet,usually with the object of developing a 41 (romance) relationship.
Online dating services usually provide matchmaking over the Internet through the use of personalcomputers or cell phones.
Online dating sites generally requires 42 (apply) to provide personal information beforethey can search the database for other individuals using criteria they set, such as age, gender, race,religion and 43 (locate). Most sites allow members to upload photos of themselves and browsethose of others. Sites may offer 44 (addition) services, such as online chatting, telephone chatting, and message boards.
Some sites provide free 45 ( register ) , but may offer services which require a 46(month) pay. For example, they ~nay offer full access to profiles, but provide additional services topay, such as 47 (place) users' profiles at the top of the list, making their profiles appear severaltimes in different places in the search result and giving them a more 48 (advance) search engine to work with. In one real example, free users may only search for persons of 49 (specify)
age, gender and city, while subscribers may also search for such information as height, weight andinterests. Other dating sites depend on advertising for their income. In recent years such sites havebecome 50 (increase) popular.
第（41）题选
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