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【单选题】
We know from the text that at Yellowstone＿＿＿．A.
temperatures can go from o to 80 degrees
B.
is snows throughout the year except for summer
C.
thunderstorms can be seen throughout the year
D.
it is more windy and rainy in the spring
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【单选题】What is the killdeer's nest in parking lot an example of?
A.
A primitive type of nest.
B.
An elevated nest.
C.
A typical cup-shaped nest.
D.
A nest of twigs and branches.
【单选题】Men have traveled ever since they first appeared on the earth. In primitive times they did not travel for pleasure but to find new places where their herds could feed, or to escape from hostile neighb...
A.
for joy
B.
from necessity
C.
to broaden the mind
D.
to escape from the wild animals
【单选题】How did the primitive people pass the accumulated knowledge on to the next generation?
A.
They wrote the knowledge down on papers.
B.
They had the happy 'few' enjoy it.
C.
They taught it to those who have good memories.
D.
They had every one of tile tribe share it and orally passed it on.
【简答题】In primitive times human beings did not travel for pleasure______(而是为了找到较为宜人的气候).
【简答题】看图，回答问题。 1. Did Mike write an e-mail? ___________________________________________ 2. What did they do? ___________________________________________
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