2020-12-01adminxiezi阅读(439)

(1)【◆题库问题◆】：[单选] 根据下列短文，回答{TSE}题。　　Despite the fact that today viruses(病毒)are known to cause cancer in animals and incertain plants，there exists a great reluctance to accept viruses as being of importance in humancancer．

2020-07-25adminxiezi阅读(259)

(1)【◆题库问题◆】：[单选] Sequoyahwas a young Cherokee Indian．son of a white trader and an Indian Squaw(北美印第安女人)．At an early age，hebecame fascinated by“tile talking leaf”，an expressionthathe used to describe the white man’s writt