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