We should do what we can to save those_________ species, for example, the tiger, an animal which was considered_______ to humans.
A．dangerous; endangeredB．dangerous; in danger
C．endangered; in dangerD．endangered; dangerous
D
這題考察詞義辨析：dangerous;危險的， endangered瀕危的，第一空填endangered 指瀕危物種，第二空填dangerous; 表示“對人有危險”。選D。
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