C) respectful

　　D) realistic

　　35. If nothing is done to protect the environment, millions of spedes that are alive today will have become ________ .

　　A) deteriorated

　　B) degenerated

　　C) suppressed

　　D) extinct

　　36. The ________ of the scientific attitude is that the human mind can suceeed in understanding the universe.

　　A) essence

　　B) texture

　　C) content

　　D) threshold

　　37. The old lady has developed a ________ cough which cannot be cured completely in a short time.

　　A) perpetual

　　B) permanent

　　C) chronic

　　D) sustained

　　38. What the correspondent sent us is an ________ news report. We can depend on it.

　　A) evident

　　B) authentic

　　C) ultimate

　　D) immediate

　　39. Having had her as a professor and adviser, I can tell you that she is an _______ force who pushes her students to excel far beyond their own expectations.

　　A) inspirational

　　B) educational

　　C) excessive

　　D) instantaneous

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