I wake up to the sound of the wind buffeting the cloth of my tent. Even though the sun is brightly shining, telling whether it is morning or night is     1     I’m above the Arctic Circle, where in summer the sun never sets. Checking my     2    . I see that it is 7: 30 a.m. I leave my tent and walk over to the mountain     3    . Spreading out before me, branches of the Rapa River flow through the v    4     below. I’m in the remote far north of Sweden in Sarek National Park, a place with no roads or     5    .

Sarek’s mountains used to be covered by vast sheets of i    6    . Around 9,000 years ago, this ice melted, leaving behind about 100 glaciers. Soon after, reindeer began to arrive. Following the reindeer were the Sami     7    , who made this t    8     their home. Getting here is quite difficult, so     9     from the Sami very few people have ever seen Sarek. In 1909, Sarek was made a national park in order to keep the land in its natural     10    .

The Earth is made up of three layers. In the centre is the core, which is as big as the Mars and has a high     1     of over 7,000˚C.     2     the core is a thick layer called the mantle,     3     lower part is solid rock,     4     portion is molten rock called the magma. Floating on top of the magma is the Earth’s rocky crust.

The crust is made up of tectonic plates. These huge plates are moved slowly by magma currents below, sliding past each other with     5    . If a plate is forced down     6     another and gets     7    , pressure will build up until the stressed rocks suddenly     8     apart, causing     9     ground movements called earthquakes. The point where the rocks suddenly jolt or break is called the epicentre, from which, powerful shock waves     10     out in all directions.

Ireland has beautiful and peaceful countryside landscape,    1     (这使得它成为一个盛产作家和诗人的地方). The peaceful countryside landscape also    2     (极大地影响了它的文化和传统). In Ireland,     3     (你的各种感官都能得到满足). To experience its music，dancing and dining,    4     (你可以在一个乡村酒吧稍作停留). If you introduce yourself to a friendly face,     5     (你很可能经历) local culture and customs first-hand.