题目内容
（请给出正确答案）
A．Only humans respond to emotions by shedding tears.
B．Only humans shed tears to get rid of irritating stuff in their eyes.
C．Only human tears can resist the invading bacteria.
D．Only human tears can discharge certain chemicals.
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更多“A．Only humans respond to emoti…”相关的问题
We can conclude from the passage that__________
A．only humans have the neo-cortex section of the brain
B．we know very little about the brain
C．Brain 3 is all we need to survive
D．we still have a lot to learn about the brain
What's the difference between human beings and other animals when shedding tears？
A．Only humans respond to emotions by shedding tears.
B．Only humans shed tears to get rid of irritating stuff in their eyes.
C．Only human tears can resist the invading bacteria.
D．Only human tears can discharge certain chemicals.
A．only humans have emotions.
B．only animals have both learned and emotional behavior.
C．emotions are more difficult to measure and observe than reflexive behavior.
D．reflexes and conditioning will lead to better understanding of animal emotion.
听力原文：M: Hi, Jane! Did you watch that documentary on TV last night？
W: No, I was in a meeting, and didn't get home until 11:50. What was it about'？
M: It was about insects.
W: Insects？
M: Yeah! Do you know they are the most successful creatures on the planet？
W: What, more successful than humans？
M: Well, think about it! They were around long before people were--there are far more insects than humans--I mean, trillions of them! And they are reproducing all the time!
W: Well, I suppose that's true!
M: And they are incredibly adaptable.
W: In what way？
M: Well, take mosquitoes for example. You know, they spread malaria. Malaria is still a big problem in the world. The trouble is that every time we try to wipe out the mosquitoes with some new insecticide, they change their body-chemistry!
W: Haven't the scientists just brought out a new insecticide to fight mosquitoes？
M: Yes, they have. But I bet that within five years the mosquitoes will simply adapt again!
W: I suppose it keeps the scientists employed!
M: Yes! You know, I'd really like to work in that field after I graduate.
W: Why not!
(20)
A．Only mosquitoes can change their body-chemistry.
B．They can transmit a serious disease.
C．We can wipe them out with new insecticide.
D．Within five years scientists will have found a way to kill them all.
As to Ukrainian election, which of the following is true？
A．Any of Russia's improper responses will cause political crisis in Ukraine.
B．Russia had rescheduled a lot of festivities before the actual date of the election.
C．Putin's congratulation has caused opposition between the two candidates.
D．The voting fraud reported by Kremlin caused a rally in protest.
【B8】
A．only before
B．unless
C．although
D．only if
A．Only one hour.
B．Some hours.
C．One week.
D．Two weeks.
