例:Great as Newton was, many of his ideas have been challenged today and are being modified by the work of scientists of our time. 虽然牛顿是个伟大的人物,但他的许多见解直到...
例:She is to be seen in the lab on Monday. 星期一你准会在实验室见到她。 b) 该做或不该做的事情(语气上接近于should, must, ought to, have to),表示一种命令、规劝性语气。 例:You...
C. to have been knowing D. to have known 4、AIDS is said ___ the biggest health challenge to both men and women in that area over the past few years. A. that it is B. to be C. that is has been D. to have been 5、Robert...
初中英语常用易混词语辨析:have been to/have gone to 新东方英语频道整理了关于初中英语常用易混词汇辨析,希望对考生们有所帮助,仅供参考。
23、【答案】[B] used to have more job opportunities 【解析】根据题干要求定位到第五段,解决本题的关键是对第三句话“The job security that the US economy once offered to high school graduates has largely evaporated.”的理解,尤其需要注意本句的时态,定语...
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