下面的短文有10处空白，每处空白后的括号内有一个词，请根据短文内容将其正确的形式填入文中，以恢复文章原貌。Online DatingOnline dating is a dating system which allows people to make contact and communicate with each 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 personal computers or cell phones. Online dating sites generally requires ___42___(apply) to provide personal information before they 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 may 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 and interests. Other dating sites depend on advertising for their income. In recent years such sites havebecome ___50___(increase) popular.
The Arctic and Antarctica are no man's lands because of their killing coldness.
A、True
B、False
C、Not Given
Despite the hostile environment, both animals and plants can be found in the oceans and on landin polar areas.
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