①The new trade agreement should ___________ more rapid economic growth. ②The report provides a(n) ___________ for further research. ③I find it almost ___________ that no one noticed these errors. ④They need to ___________ he pace of change in their backward country. ⑤Some college graduates ___________ to careers in finance. ⑥The ___________ term for sunburn is erythema. ⑦A(n) ___________ emerges, wings flapping noisily, from the tower. ⑧The climber took some food from the ___________ pack on his back. ⑨Mr. Porter's book was a(n) ___________ hit. ⑩Further examination is needed to ___________ the chance of disease.

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Human beings have invented various forms of communication in history, some of which have①___________ the way people interact with each other. One of the biggest developments in communication came in 1831 when the electric telegraph was invented. After that, with the fast development of technology, the advancement in communication is quite②___________ At present. digital methods have③___________ almost all other forms of communication, especially in business. In 1849, the telephone was invented. In 1973, Motorola created a mobile phone which④___________ a chain of developments that ⑤___________ communication forever. In 2007.the first iPhone was⑥___________ to the world and started a new epoch of modern smartphones. Since the mid1990s. the Internet has had a(n) ⑦___________ impact on communication. Email was introduced to the world in 1991 and has ⑧___________ changed our lives. With emerging wearable technology, people can easily make a video call from an item other than a phone. VR also helps to ⑨___________ better communication. Now, 5G is making ⑩___________ communication possible. Looking ahead, more advanced technology will bring about untold improvements in the speed and consistency of our communication.

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