A decade after America     1     (退出) from Vietnam, the seeds of the often heart-breaking history, A Piece of My Heart, were sown when writer and filmmaker Keith Walker met a woman who had been an emergency room nurse in Cu Chi and Da Nang. She and 25 others       2     (回想) the time they spent in Vietnam as part of the 15,000 American women who volunteered or served as nurses in the military. After working on too many mutilated (截肢的) young     3     (士兵), one nurse talked of wanting to ask her mother to “check around and see if she could find one whole eighteen-year-old”.

Many returned with post-traumatic stress disorder (创伤后精神紧张性障碍). They still felt     4     (惊恐) rising within them. “The one thing Vietnam did for me was that I felt like I could walk on water,” said a nurse.

We were in Rome when World War Ⅱ ended. The first we knew of it was when we heard bells ringing and people running into the streets. Everyone was     1     with joy and excitement. “What’s going on?” I asked. “It seems like the war is over,”     2     one of the soldiers. Everyone started     3     at once. Some people began     4     with joy and relief. Others were     5     each other that it was a day that they would go down in history. Later that day we     6     the allied tanks as they rolled into the square. It was a day of great joy and one I will never forget!

Trade and c    1     have often f    2     the foundation of mankind’s greatest a    3    . To c    4     the great map of the world was a strong p    5     for the people of early civilisations. Marco Polo’s t    6     inspired European explorers to s    7     for sea r    8     from west to east. H    9    , merchants and explorers from the East set s    10     from east to west many years before Columbus first did.

It was Sunday, December 7, 1941. It looked like it was going to be a normal day     1     board. Just then there was a huge crashing sound from above. The ship shook     2     (violent) and the crew looked at each other in horror. Above their heads, hundreds of Japanese planes circled like eagles. They were diving down to drop bombs on Pearl Harbor. Moments later, a bomb     3     (hit) the USS Arizona.

The surprise attack came as     4     great shock to the whole nation. The next day, President Roosevelt made his famous Pearl Harbor Speech,     5     (ask) the US Congress to declare war on Japan. In response to the attack and the president's address, the US joined World War II. Today, the USS Arizona lies     6     it sank: in the middle of the Pacific Ocean.     7     (it) location is marked with a memorial shaped like a bridge, which crosses the ship's     8     (sink) remains. Nearly 80 years has passed,     9     the attack on Pearl Harbor, one of the darkest episodes in American history, will never     10     (forget).