英语完形填空，求答案，要标准的，不呀自己做的。Doyouknowwhydifferentanimalsorpetshavetheirspecialcolours?Coloursinthemseemtobeusedmainlytoprotect1.Somebirdslikeeatinglocusts,butbirds2easilycatch

Question

英语完形填空，求答案，要标准的，不呀自己做的。Do you know why different animals or pets have their special colours? Colours in them seem to be used mainly to protect 1 . Some birds like eating locusts, but birds 2 easily catch them. Why? It is because locusts change their colors together with the change of the colors of 3 . When crops are green, locusts look 4 . But as the harvest time comes, locusts change to 5 brown colour as crops have. Some other pests with different colors from plants are easily found and eaten by others, 6 they have to hide themselves for lives and appear only 7 . If you 8 the animal life, you’ll 9 the main use of colouring is to protect themselves. Bears, lions and other animals move quietly through 10 . They cannot be easily seen by hunters. This is 11 they have the colors much like the trees. Have you ever noticed an even more strange fact? A kind of fish in the sea can send 12 a kind of very black liquid when it faces 13 . While the liquid spreads over , its enemies cannot find it. And it immediately swims 14 . So it has lived 15 now though it is not strong at all. ( ) 1. A us B themselves C friends D them ( ) 2. A must B can C can’t D will ( ) 3. A houses B birds C themselves D crops ( ) 4. A green B yellow C red D blue ( ) 5. A so B the same C different D very ( ) 7. A in the morning B at night C at noon D at day ( ) 8. A study B see C find D look at ( ) 9. A say B find C know D tell ( ) 10. A plants B crops C forest D grass ( )11. A reason B cause C why D because

Answer 1

1-5 b c d a b 6 so 7-11 b a b d d 12 out 13 danger 14 away 15 up to 我做过 这题 just trust me