185. The source of this interference remains unconfirmed, but increasingly, experts are pointing the blame at portable electronic devices such as portable computers, radio and cassette players and mobile telephones.
186. And although some airlines prohibit passengers from using such equipment during take-off and landing, most are reluctant to enforce a total ban, given that many passengers want to work during flights.
187. The rise of multinational corporations, global marketing, new communications technologies, and shrinking cultural differences have led to an unparalleled increase in global public relation or PR.
188. The progress from a rattle used by a baby in 3000 BC to one used by an infant today, however, is not characterized by inventiveness.
189. Bent stripes, called chevrons painted on the roads make drivers think that they are driving faster than they really are, and thus drivers slow down.
190. Therefore, the task for DDB Needham was to encourage consumers to consider other aspects of train in order to change their attitudes and increase the likelihood that trains would be considered for travel in the west.
【GRE真题考试阅读部分关键句181-190英文原句】相关文章:
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