1 . Mawson was an Australian explorer and scientist who explored the Antarctic with a team of fellow adventurers in 1912. His travels in the frozen continent brought him worldwide _______. In December of that year, Mawson and two other _______ left the main base at Commonwealth Bay, _______ a 300-mile exploration into the central part of the continent to gather scientific data and samples. _______ followed.

One of the men, a young British soldier named Belgrave Ninnis, _______ down an open crack on a sledge, along with several of their best dogs and many of the team’s supplies, dead. For several weeks, the two others, _______ with scurvy(坏血病)and other _______, struggled to return to camp, keeping living first on the _______ dogs, then on starvation food. _______, Xavier Mertz, a Swiss mountaineer and skiing champion, died from exhaustion, starvation and possible poisonousness from eating dogs’ livers.

________ to return with the research data, Mawson ________ the elements for 30 days. Finally he returned to the________ in February of 1913, extremely thin, frost-bitten and exhausted-only to ________ he had missed the ship rescuing the rest of the ________ by hours. Mawson was regarded as a survivor hero. For his achievements as an explorer and scientist, he was knighted(封爵)in 1914. In addition to his other ________, Mawson edited and contributed to the 22-volume Reports of Australasian Antarctic Expeditions.

2 . Last spring, my family went camping in the Peak District. For two whole weeks, life felt _________ — living, working, playing together, _________ by the sights, sounds and smells of the natural world.

On the final night of our trip, an _________ gradually took shape: could we do this longer-term? When it came to _________, my husband and I had both kit and expertise. It might also be an _________ to turn the writing and photography we loved into our livelihood.

After half a year of preparation, we finally _________ in September. Our first destination was New Forest National Parks and we stayed at each _________ for between one and four weeks, exploring each day from the tent door.

There was no mobile signal or Wi-Fi at the campsite, _________ us from the outside world. We just _________ the best of what nature had to offer. I loved the __________ rhythm (节奏) of daily life in the tent, always starting with coffee as the steam from the camping stove rose into the morning air. We worked hard, drawing __________ for our writing and photography from our surroundings. Afternoons were for __________ — climbing mountains, paddling in streams, or simply enjoying being in and around the tent. The mountains __________ us as if in protection with a reassuring (令人安心的) skyline.

It was wonderful to fully __________ the places we stayed. Sleeping with an ear to the earth, tuning into the natural rhythms of light and __________, there’s nothing quite like being in a tent for total immersion in a place.

3 . One day, Marga asked if I would join her in hiking to Base Camp at the foot of Mount Qomolangma to celebrate her 60th birthday. I _________ the opportunity.

We met our guide Achut Pandey in Kathmandu. He was a man of joy and _________, who had been to Base Camp over 100 times.

When we left Namche Bazaar, we took the Three High Passes route, which is less-traveled, longer and more _________. The temperatures ranged from the teens to below 0°F. We were nearly _________. When we were done with dinner, we _________ ourselves to our sleeping bags. While we _________ were able to down a couple of eggs and a piece of toast, the higher we went, the less we _________. Eventually, it was a lot of _________ to just eat a bowl of rice. The altitude _________ us in other ways too. As our appetites slowed, so did our ____________. Renjo La Pass, the first pass, was supposed to take eight hours. It took 12.

Achut’s faith in us was never ____________. He greeted us each day with a ____________ “good morning.” Before we ____________ Base Camp, he carried our packs and skillfully negotiated our moods and capabilities. We trusted him as he ____________ us, confident and strong, up and down icy, ____________ and sometimes narrow paths.

Thanks to Achut, I made it, at 65.