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【单选题】
下列属于绿色开花植物的是（ ）A.
铁线蕨
B.
马尾松
C.
银杏
D.
小麦
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【单选题】How could marmosets survive, in face of the threat from cats and dogs?
A.
Work as a team
B.
Make use of their speed
C.
Hide and seek
D.
Never enter into their territories
【简答题】Listen to the following passsge and filling the blanks: Now, the Special English program WORDS AND THEIR STORIES. Americans use many expressions with the word dog. People in the United States lov...
【单选题】F: We ought not to test the safety of new drugs on sentient animals, such as dogs and rabbits. Our benefit means their pain, and they are equal to us in the capacity to feel pain. G: We must carry out...
A.
Even though it is not necessary for people to use cosmetics, cosmetics are also being tested on sentient animals.
B.
Medical science already has at its disposal a great number of drugs and other treatments for serious illnesses.
C.
It is not possible to obtain scientifically adequate results by testing drugs in the test tube, without making tests on living tissue.
D.
Some of the drugs to be tested would save human beings from great pain.
E.
Many tests now performed on sentient animals can be performed equally well on fertilized chicken eggs that are at a very early stage of development.
【单选题】Which of the following does the author intend to say?
A.
Dogs and cats are not good friends.
B.
Dogs are much friendlier than cats.
C.
Dogs and cats are usually good pets.
D.
Dogs use tail language more than cats.
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