On a grey afternoon on 19 November 1863, Abraham Lincoln mounted a platform in a field in Gettysburg, Pennsylvania. He was there in memory of the    1    (die)soldiers. The place was the site of a recent battle     2    thousands of soldiers had died.

At that time, America was    3     (bitter) divided. For two years, its people had been deep in a civil war. The Union side won but    4    a great cost. Over 50,000 soldiers    5     (kill)or wounded, and people lost hope and purpose.

Lincoln understood the feelings of the civilian people. His speech gave them hope, belief and a reason     6     (look) to the future. He gave them    7    new vision of what the United States of America should be     8     (base)on the ideals set down by its Founding Fathers 87 years before. It was what the soldiers had died for. Now it was up to the    9     (live) to remove not only the divisions between North and South, but the boundaries between black and white, and work step by step towards the    10     (equal)of humankind.

From 1405 to 1433, Zheng He made seven historic voyages to Asia and Africa. Thanks to frequent friendly     1     (exchange) between China and foreign countries, Zheng He successfully     2     （promote）friendship between China and Southeast Asian countries to new heights. From 1403 to 1424, the number of envoys（使者）visit China a record 318 times,     3     average of 15 times a year.

Zheng He’s fleet traveled from the Western Pacific through the Indian Ocean to West Asia and the east coast of Africa,     4     （involve） three oceans and providing valuable records for the history of Chinese navigation（航海）. His voyages,     5     happened earlier than the Westerners’ Voyages of Discovery, came 87 years before Columbus, 92 years before Vasco da Gama, and 116 years before Magellan’s     6     （arrive） in the Philippines.

Sadly, many of the official Chinese records of these voyages were destroyed     7     his death. Zheng He’s rightful place in Chinese history     8     （confirm） by Deng Xiaoping in 1984. Following a more realistic evaluation of Zheng He’s achievements by scholars East and West, his standing as one of the     9     (great) maritime explorers of all time has at last been     10     (firm) recognized worldwide.

A great    1    (achieve) was made in 1953. Edmund Hillary and Tenzing Norgay climbed to the top of Mount Everest    2    (successful) at 11: 30 am, on May 29. They became the first people    3    (reach)the peak of Mount Everest.

Edmund Hillary was a New Zealand mountaineer, explorer and philanthropist, and Tenzing Norgay was a Nepali-Indian Sherpa mountaineer. Both of them were part of the    4    (nine) British expedition(探险)to Everest    5    (lead) by John Hunt in 1953. For this expedition, Hunt selected a group of people who were    6    (experience) in climbing mountains. In the group, Edmund Hillary    7    (select) from New Zealand, and Tenzing Norgay was actually from India where he lived. Before climbing, the expedition had been organized and planned for months. They made 9 camps on their way up, some of    8    have been still used by climbers up to now The first team made    9    to the place which was just 300 feet below the peak, and they left on May 26. They actually had already reached the point that no man had reached before. They were forced to leave because of the bad weather and besides, there were problems    10    their oxygen tank, too.