题目内容
（请给出正确答案）
Why is Helen buying the tickets？
A．She gets a student discount.
B．Bob doesn't have very much money.
C．She lost a bet and owes Bob money.
D．Bob left his wallet at home.
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更多“Why is Helen buying the ticket…”相关的问题
第1题
Where do Bob and Helen want to go?
A．To a rock and mineral show.
B．To an opera at the concert hall.
C．To a movie at the student center.
D．To a popular music concert.
第2题
SECTION A CONVERSATIONS
Directions: In this section you will hear several conversations. Listen to the conversations carefully and then answer the questions that follow.
听力原文：M: Hey, Helen, how are you?
W: I'm fine, Bob. Arch't you glad the semester is over?
M: Are you going to the rock concert Friday night?
W: I haven't thought much about it. Are you?
M: Sure. Would you like to go with me?
W: Sounds like fun.
M: You'11 have to buy your own ticket though.
W: Are you broke again? Let me treat you. You know I am a waitress at the student center. Anyway now that the final exams are almost over, I'd love a night out.
M: Since you've been so great about buying the tickets, why don't I take us out to dinner?
W: You've got a deal. Let's buy the tickets now.
When does this conversation take place?
A．In the middle of the semester.
B．At the beginning of exams.
C．At the end of the school year.
D．In the middle of summer vacation.
第3题
Which is the main idea of the last paragraph?
A．The reason why eyespots work.
B．The reasoning power of some animals.
C．A defective faculty of perceiving.
D．The eyespots of butterflies.
第4题
According to the passage, which of the following statements is true?
A．An insect can use its eyespots to protect itself without any cost.
B．The predator of a tropical butterfly fish usually attacks its tail.
C．The predator of a tropical butterfly fish cannot predict in which direction it will escape.
D．A peacock butterfly has eyespots on its claws.
第5题
s?
A．Frogs.
B．Fish.
C．Peacocks.
D．Butterflies.
第6题
__.
A．scaring a predator away
B．inviting a predator of the attacker
C．cheating the predator into thinking it is being watched
D．fooling the attacker into attacking its nonvital part
第7题
moth clinging to a large tree trunk, the bird lands on a nearby branch. Moving in for the attack, the sparrow suddenly spies a pair of round, menacing eyes. The eyes seem to move up and down like those of an owl. Within a second, the sparrow is all tail feathers as it makes its retreat. But what about the moth?
In order to avoid being eaten, the moth practised a bit of natural "tom foolery" by exposing its secret weapon--eyespots on its wings.
Eyespots are round markings or colorations on animals which look like real eyes. Many in- sects, as well as fish and frogs, use them--in a variety of ways--as a defense against predators.
Eyespots can scare an attacker away--as in the case of the moth above--by making the attacker think it is facing one of its predators. Or they can simply fool predators into thinking they are being watched.
Even when the false eyes don't stop an attack, they may enable the one who wears them to survive. You see, eyespots are often located "far" from vital organs, on wings, for instance. They lure predators into attacking the "wrong end" of their prey.
The tropical butterfly fish, for example, has an eyespot at the base of its tail. Predatory fish will often try to attack this spot, confusing the dark circle for a real eye--only to find the fish escaping in a completely unexpected direction.
The eyespots on a peacock butterfly's wings work in a similar way. By luring the predator to the wings instead of the body, the eyespots protect the peacock butterfly's head from attack. Although the insect may lose a claw or suffer a clipped wing, at least it hasn't lost its head!
Eyespots work because they take advantage of a weakness in predators, known as "innocence of the eye." Basically, this means that animals believe what they see. Unlike humans, some animals cannot reason beyond what their instincts and past experiences tell them. So, if something looks like an eye to a predator, then it must be an eye--even if it graces the delicate wing of a butterfly.
The hawkmoth escaped the attack from the sparrow because ______.
A．an owl came to its rescue
B．the sparrow suddenly saw a hunter's eyes
C．the sparrow was suddenly attacked by another bird
D．the moth showed eye-like marking on its wings
第8题
Which of the following is a fact rather than an opinion?
A．One cannot get money and power through teaching.
B．Teaching is more difficult than being a mechanic, a writer or a carpenter.
C．The world is full of fight answers to bad questions.
D．Teachers enjoy great freedom in some aspects.
第9题
From Paragraph 7 we can infer that the writer enjoys freedom to choose ______.
A．which lessons to teach
B．a boss
C．teaching methods
D．textbooks
第10题
ciety" is true?
A．It included reading and writing assignments only.
B．It was sponsored by a corporation.
C．It was given in a run-down house.
D．Both the students and the teacher got some money from it.
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