三、综合填空
Many documentaries take you to other places and teach you about people,animals and the land they inhabit(栖息),but here 1.______(
are
)a few documentaries I especially recommend for your Social Study and Geography lessons.
If you watch only one documentary series about our planet(行星)and the humans that live on it,it should be this one：Human Planet. Human Planet is 2.______(
an
)8-part British television documentary series. It shows how people make their living when facing much 3.______(
difficulty
)in 8 places you may hardly imagine. It 4.______(
was produced
)by the BBC with co-production from Discovery and BBC Worldwide.
There are some other 5.______(
valuable
)series that I like to call "The Wildest Series". These are some of the most educational documentaries I've ever watched,and I've learned 6.______(
about
)some wildlife I never knew before. You can look for these and others like them online.
Planet Earth is 7.______(
so
)popular that you've probably already seen it,but I couldn't leave it off this list. You can find the series 8.______(
easily
)online now.
You can see how humans 9.______(
have changed
)their planet in the past thousands of years in Generation Earth. If you 10.______(
love
)engineering,it's a must see.
