Nat Geo 4 Unit 1 Test

Nature can be the most dangerous ​ (a)   for an athlete who practices extreme sports.

• opponent
• boundary
• role model
• pain

The reason why I won't try running in the desert is that I can't stand ​ (a)   heat and pain.

• extreme
• mental
• physical
• unreachable

I think it takes an incredible amount of ​ (a)   to finish a marathon.

• endurance
• consequences
• pain
• opponent

If you land in the wrong place on a glacier, the ​ (a)   can be extremely serious.

• obstacle
• limit
• determination
• consequences

The thing I like most about surfing is that ​it (a)   me to free my mind.

• enables
• achieves
• limits
• overcomes

I wonder why competitors take part in the Math Olympiad. I'm sure I would ​ (a)   with the complicated problems for hours.

• struggle
• achieve
• overcome
• event

Complete each sentence by adding emphasis use one of the phrases in the picture to rewrite your sentence:
___________ Hillary and Norgay reached Mount Everest's pack was May 29. 1963

Complete each sentence by adding emphasis use one of the phrases in the picture to rewrite your sentence:
______________ she prefers long distance running is that she can’t run very fast.

Complete each sentence by adding emphasis use one of the phrases in the picture to rewrite your sentence:
______________ first walked on the moon were Neil Armstrong and Buzz Aldrin.

Complete each sentence by adding emphasis use one of the phrases in the picture to rewrite your sentence:
______________ camping in Alaska is seeing the Northern Lights.