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