1     (…有) so much more to learn about the interesting history and culture of the United Kingdom.     2     (学习) the history of the country will make your visit much more     3     (快乐的). The capital city London is great place to start, as it is an ancient port city that has a history     4     (追溯到) all the way back to Roman times. There are     5     (数不清的) hisroric sites to explore, and lots of museums with ancient relices from all over the UK. The UK is a fascinating mix of histoy and modern culture, with both new and old traditions. If you     6     (留心), you will be surprised    7     (发现) that you can see both its past and its present.

After two days’ travel, the girls began to realize that Canada is quite empty. At school, they had learned that most Canadians live     1     a few hundred kilometers of the USA border, and    2     Canada’s population is only     3     over thirty million, but now they were     4     to see such an empty country. They went     5     a wheat-growing province and saw farms that     6     thousands of acres. After dinner, they were back in an     7     area, the busy port city of Thunder Bay at the top of the Great Lakes. The girls were surprised at the     8     that ocean ships can sail up the Great Lakes. Because of the Great Lakes, they learned, Canada has more    9     water than any other country in the world. In fact, it has one-third of the world’s total fresh water, and much of     10     is in the Great Lakes.

Studying the history of the country will make your visit much more     1    . The capital city London is a great place to start, as it is an ancient port city     2     has a history dating all the way back to Roman times. There are countless historic sites to explore, and lots of museums with ancient relics from all over the UK. The UK is a fascinating mix of history and modern culture, with both new and old traditions. If you keep your eyes     3    , you will be surprised to find that you can see both its past and its present.

Before the mid-20th century, most people felt travelling into space was an     1     dream. However, some scientists were determined to help     2     realise their dream to explore space. After many     3    , they succeeded in making rockets that could     4     Earth’s gravity. On 4 October 1957, the Sputnik 1 satellite was launched by the USSR and successfully orbited around Earth.    5    , the USSR focused on sending people into space, and on 12 April 1961, Yuri Gagarin became the     6     person in the world to go into space. Over eight years later, on 20 July 1969, American     7    Neil Armstrong stepped onto the moon,     8     saying, “That’s one small step for a man, one giant     9     for mankind.” Following this, many more goals were achieved. For example, America’s NASA space agency launched Voyager 1 on 5 September 1977 to study deep space, and it still transmits     10     today.