[填空题]Some insects can change their shapes or colors to mix with their natural (surround) ______.

[填空题]Some insects can change their shapes or colors to mix with their natural (surround) ______.

[填空题]Today some robots can recognize (11) and shapes and measure distances. Some can hear and speak with the help of computers that can recognize thousands of (12) words. Some can move about on wheels or walk with as many as (13) legs. Most robots have one or two of these abilities, but it’s rather difficult to (14) a robot with most or all of these abilities.
"The list of things that robots can do better than humans is much (15) than the list of things robots cannot," says Tom Smith, an expert on robots.

[填空题]Not all crows (乌鸦) can talk. But some can.
One crow that talks named Pick. Why Because he
picks things from people’s pocket. He’s pick-pocketer. 81 ______
Sometimes Pick eats that he finds. But if he 82 ______
finds nothing, he calls out," Go to grass." 83 ______
One day Pick played a joke on a farmer, that 84 ______
was driving his horse on a field. Pick sat in a 85 ______
tree. "Whoa. "said the farmer. His horse
stopped. Then, "Giddyap. "The horse started again.
But then comes Pick’s voice from the tree. 86 ______
"Whoa. The horse STOPS. Go away. "called the farmer. 87 ______
Pick lives with Mr. Beck for five years. 88 ______
Then Mr. Beck moved to a big city. Pick returned 89 ______
the woods, and his friends. 90 ___