单项选择题X 纠错
A.Human beings are not aware of the importance of preserving endangered species.
B.Some endangered species have already reached the end of their life span in evolution.
C.The development of human society has greatly affected natural ecology systems.
D.The world’s climate has changed greatly that most species cannot survive.
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单项选择题
A.by what is or is not against the rules.
B.by its impact on other people.
C.by one’s thoughts and feelings towards it.
D.by the kind of damage it does to others.
单项选择题
A.the “it” in the phrase “the desire not to do it”.
B.“the desire” in the phrase “the desire not to do it”.
C.the idea of Paragraph 5.
D.the idea of helping the friend.
单项选择题
A.Because those rules are said to be strongly negative.
B.Because he wants to show that rules are not the criteria for judging right or wrong.
C.Because those rules are made in order to stop what is wrong.
D.Because he wants to support the argument that stealing a book is not a crime.
单项选择题
A.To be or not to be against the rules has little to do with being wrong or right.
B.To say something is wrong almost suggests that it is against the rules.
C.A rule is always something that stops what is wrong.
D.A rule is always something that encourages what is right.
单项选择题
A.positive
B.negative
C.indifferent
D.conservative
单项选择题
A.Teenagers across the US hug everyone they see in nearly the same way.
B.Although some adults worry about the trend, few measures have been taken to ban on it.
C.Traditionally, the US people have been reserved about hugging between anybody.
D.In some countries, its usual for men to kiss each other on the cheek.