Name two of the animals mentioned in the passage which are dying out
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What is wrong with the argument for not preserving rare species is that it neglects ______.
Questions 11 to 18 are based on the conversation you have just heard.
A. Mark’s happy that his parents are coming.
B. Mark’s thinking about a number of things.
C. Mark’s not feeling very well.
D. Mark’s looking for a new apartment.
【11】 技术用在数字传输技术领域,以传输的可靠性为目的,进行差错控制。
祛风通络类药物炮制常用的辅料是( )
A. 酒
B. 醋
C. 姜汁
D. 盐水
E. 炼蜜