1、It is generally considered______(ethics)for physicians to advertize.为什么是用unethical而不是unethically2、Most shops are shut down during this_____(confound)hot spell.为什么是用confoundingly而不是confounding,hot spell不是可以相当于是一个名词吗?3、The availability of credit____(lubricant)the channels of trade.为什么是用lubricants而不是lubricates? 英语
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【答案】 1.这个句子相当于：It is generally considered to be unethical for physicians to advertize.
一般to be是省略的,所以当然要用形容词啦.
2.confoundingly是修饰形容词hot,而不是spell.可以这么理解,这段时间不讨厌,因是炎热让人讨厌.
3.你确信答案没错么?lubricant是形容词或名词,而lubricate是动词啊,这里不就缺个动词么?我也不知道啦,我觉得答案不对