单项选择题
A．embellish: austere B．depurate: rare C．vary: conspicuous D．compress: volatile E． instruct: awkward
SOUND: ECHO ::（） A．sight: rainbow B．episode: television...
单项选择题SOUND: ECHO ::（）
A．sight: rainbow B．episode: television C．light: reflection D．affection: attachment E． observation: microscope
Though （） in his youth, Muir grew in the fullness of ti...
单项选择题Though （） in his youth, Muir grew in the fullness of time to acquire truly （）habits envied by even the most hardened of his fellow survivalists.
A．a stoic ... gourmet B．a sycophant ... humble C．an eccentric ... practical D．a sensualist ... spartan E．an ideologue ... catholic
Despite certain （）habits of the North American screech ...
单项选择题Despite certain （）habits of the North American screech owl, it performs the majority of its hunting alone, in alpine forests, unfettered by （）
A．predatory... ecology B．instinctual ... behavior C．exogamous... kinship D．omnivorous... diet E．diurnal... darkness
