China is a very large country. From the north to the south is more than 5, 500 km,   51 from the east to west more than 5, 000 km. China is the world’s  52  largest country behind Russia and Canada,  53  an area of 9. 6 million square km

Being such a big country, China has different  54  in parts of the country. Winter in the north is very cold and dry from October to March and April the following year. The northern part of Heilongjiang Province in the northeast has long winter but no summer,   55   Hainan Island in the south has a long summer but no winter. The western parts of Qinghai and Tibet are covered by snow all year round. On the other hand, the southern part of Yunan and Guizhou are spring‘like in all  56  . Along the southeastern coast, the rainfall  57  be as much as 1, 500 millimetres a year, while the northeast may only get as little as 50 millimetres over a whole year.

58  size, different environments and differences in climates. China is home to the largest    59   of wild plants and animals in the world. Many animals   60   live in China, such as the giant panda, golden monkey and the Chinese alligator（短吻鱷）.

At 50 I was the first woman to travel alone at the North Pole. To celebrate my 60th birthday, I decided to make a journey at the  41  end of the world. I began the journey on  November 1 st, 1997. I knew another journey of  42  and danger was about to begin.

The first days the weather was very good。But changes were just  43  the comer. The wind grew stronger and stronger and increased to a howling storm that   44  to blow me and my tent away.

On November 12th the storm  45  . I celebrated my birthday lonely but calmly.

A few days late5 1 was moving forward over a slope  46  without warning my world  47  from under my skis. I fell into a deep hole but I finally got out.

During the journey I once hurt my leg  48  couldn’t stand on my left leg. However I  49 to my knees. I overcame countless difficulties and managed to get to Antarctica. It's an experience I shall never forget and shall  50  for the rest of my life.

That’s         we are different from others.

A. where                          B. what                       C. how                        D. when

You’11 regret           those words. You may have hurt her feelings.

A. say                              B. to say                    C. having said              D. to have said

           you get into a bad habit, you’11 find it hard to get out of it.

A. Once                           B. As                        C. As soon as               D. Whether

 ―How much did you             for the toy bear, sir?

―$10.

A. spend                          B. officer                  C. cost                         D. charge

―You ought to have explained to the teacher why you were late.

―But I                .

A. ought to                       B. have to                  C. should                     D. did

It’s pleasing to know that all that can be done         .

A. has done                                                            B. has been done

C. have done                                                          D. have been done

The larger of the two island is Britain,          1ies to the east of Ireland.

A. it                                B. that                       C. which                      D. They

He is good           his farmers when much too hot in August.

A at                                 B in                          C. for                        D. to