- 1. Explorers ... many things to achieve their missions.
A) sacrifice B) harness C) deduce D) affirm
- 2. Fulfilling their missions ... their conviction to explore more.
A) lungs B) affirms C) prime D) culmination
- 3. ... yourself for one of these missions may take months.
A) equivalent B) sacrificing C) priming D) affirming
- 4. You must strengthen your body and ...
A) frigid B) garments C) gear D) lungs
- 5. The Arctic is melting fast. In one summer it lost 11 billion tons of ice - ... to 4.4 million Olympic swimming pools.
A) frostbite B) banner C) equivalent D) flannel
- 6. From the loud crack, the explorer ... the ice had broken.
A) harnessed B) pickaxe C) sacrificed D) deduced
- 7. Gazing the vast ... of Arctic ice is breathtaking.
A) culmination B) expanse C) flannel D) fissures
- 8. Explorers put up ... as signs of their mission's fulfillment.
A) pickaxes B) lungs C) garments D) banners
- 9. ... are Native American people who live in the northern parts of Canada.
A) lungs B) fissures C) gear D) Inuits
- 10. Inuits' houses, igloos, are ... and warm.
A) durable B) affirmed C) deduced D) equivalent
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