...and. Once a behavior is ritualized, it becomes aform of communication; therefore, if an animal engages in this behavior, other animals will be able to interpret the meaning of the behavior quickly and respond appropriately.
...uld not conceal the fact that I was impressed by the size
of the diamonds. Some of them were as big as marbles. The man went to great
lengths to prove that the diamonds were real. As we were walking past a shop,
he held a diamond firmly against the window and made a deep impression in the
glass. It ...
...ng
transmission（传输）. Glowing plants could reduce this
distance and therefore help save energy. 32.
What is the first paragraph mainly about?A. A new study of different
plants. B. A big fall in crime rates. C. Employees from various
workplaces. D. Benefits from green plants. 33.
What is the f...
...ic films. 14 hours later the films had lost 13% of their mass—apparently
broken down by enzymes(酶) from the worms’
stomachs. Their findings were published in Current Biology in 2017. Federica
Bertocchini, co-author of the study, says the worms’ ability to break down
their everyday food—bee...
...ents and their schools, it is not surprising that such students often have little good to say 'about their school experience. In one study of 400 adults who had achieved distinction in all areas of life, researchers found that three-fifths of these individuals either did badly in school or were ...
...p; The negative words 'never' & ' failed' confuse me a little bit. Thanks in advance. △grassy （Warsaw，Polish）【答】 The English sentence means: Lessie always returned from town with some special treat for him. △Florentia52 (Wisconsin English - United States...
...acy of the female character." "Really,
Mr. Collins," cried Elizabeth with some warmth, "you puzzle me
exceedingly. If what I have hitherto said can appear to you in the form of
encouragement, I know not how to express my refusal in such a way as may
convince you of its being one." "You
must give m...
...d buyone,
too Mine kite is a very
strong tigerRush bravely like a
fighterSometimes east sometimes
westYou can see I really like
it best再如：Watching
The National Flag Rising At about two in the early morningWe got
up to watch the flag risingWe
managed to take a taxiWe felt
excited and happyTh...
...t no one should recognize them. But as they soon discovered, disguises can sometimes be too perfect. 'This is a wonderful place fora picnic,' said Gloria Gleam. 'It couldn't be better, Gloria,' Brinksley Meers agreed. 'No newspaper men, no film fans! Why don't ...
...e, when the trees were cut and sold, when he had
sold everything, even the little they had saved from the flood, and there was
nothing left except the rafters of the house they had and the garments they
wore? Was there sense in stripping the coat off one's back to feed one's belly?
Besides, the beas...
...re were deep cracks that
appeared in the well walls. At least one well had some smelly gas coming out of
it. Chickens and even pigs were too nervous to eat, and dogs refused to go
inside buildings. Mice ran out of the fields looking for places to hide, and
fish jumped out of the water. At about 3：...
原文：I soon
learned to know this flower better. On the little prince's planet the flowers
had always been very simple. They had only one ring of petals; they took up no
room at all; they were a trouble to nobody. One morning they would appear in
the grass, and by night they would have faded peac...
After a little time, she
chose one of the most expensive dresses in the shop and handed it to an
assistant who wrapped it up for her as quickly as possible. Then the woman simply took the parcel and walked out
of the shop without paying. When she was arrested, the detective found out that
the shop a...
...Europe from here. When he stopped at train station, he saw a man selling a little black bear. Harry bought itand named it Winnipeg. The name became Winnie in short later.Harry went to a lot of places. When he got to London, he left Winnie in the London Zoo. He thought they could look after Winnie.N...